Reply . You want your slime farm well lit to prevent other hostile mobs from spawning in it. The first of these are to build walls or fences around areas you wish to keep slime-free. Visualize Chunk Borders: To determine chunk borders, use the F3+G keyboard shortcut in Java Edition. Description. Azerius New Member. There are 3 separate 1 chunk x 1 chunks scattered around the area. But now my problem: we are on height 16 and we have made a few tunnels and in each chunk a bigger place, I think this place is about 5x5x5 blocks tall. While chunk spawning always has a 10% success rate (not taking slime chunk chances or anything else into account), the success rate of swamp. • 3 mo. One thing to try is getting a spawn egg from one of the slime beetle things from twilight Forest. Hi, I am playing on public server on 1. Hopefully this will show the layout (S = spawn. You can enter your seed into the tool, and it will locate the chunks on your world that are slime chunks. Slime Spawn Mechanic. I think they start spawning from like y= 40 and below so op needs to start building platforms from y=40 downwards and having 3 block high gaps between each platform. Ive heard somewherw that slimes dont spawn below y=37, so maybe you can try that. Simply type the following code in the chat: /give @s repeating_command_block. With this command in a Command Block, an automatic elimination of Slimes is possible: Just set it to Repeat and Always Active, and then you're done. As long as ur sure its a slime chunk they will spawn from y40 down to y 0. 6. You can either dig it down more which I highly recommend or/and light up all caves within 128 blocks of the chunk and makes sure the block light is above 11 in the caves. This slime chunk is also in the shattered savanna biome, I don't know if slimes spawn there or not, but according to chunkbase's app it should. A chunk in Minecraft is a 16 x 16 area of blocks on the horizontal axis. Please take note that slimes may not spawn within torches or on glowstone, or any transparent full block. In a regular superflat world, there are 4 layers, last is bedrock, and the rest is grass and dirt. I got lucky and had 4 slime chunks all right next to each other, even with 4 slime chunks, almost all caves lit up, and 6 spawning platforms, they are still rare. Quite a few players don’t know about the spawning mechanic of. So I tried placing them in multiple areas around the world and they didn't work either. There is an option to show slime chunks in the minimap settings btw. "Like most other hostile mobs, slimes do not spawn within 24 blocks (spherical) of any player, despawn over time if no player is within 32 blocks, and despawn instantly if no player is within the despawn radius (128 blocks in Java Edition, 44 to 128 blocks in Bedrock Edition depending on simulation distance). 18 (only 400 blocks around spawn is loaded in 1. Note that this removes started TNTs, arrows, minecarts and dropped items too. Slimes spawn in random underground chunks below Y=39 at any light level, and can also spawn in Swamp Biomes at night depending on the phase of the Moon. My guess, mobs are spawning in other caves etc further away and on ground level. Make sure the farm is the correct size. If you'd like to confirm, grab an entity xray addon from MCPEDL and test in a creative world. However, just as with other mobs, slimes require an opaque block to spawn on top of. 16. Only this time, no matter what I did, slime would never spawn. Updated the server from 1. Slimes aren't spawning in slime chunks, unless the spawning mechanics changed. New mod just released!! Copperative that turns redstone components that use stone to copper and much more! (link in comments)Hey guys, I've located a Slime chunk and built the most efficient design, I've done everything correct and I am not getting any slimes spawning, if anybody has any information that could possibly help me that would be great. There are 16×16 blocks in each chunk (x and z axes) and 256 blocks in each chunk (y-axis). Right-click the purple block in your inventory and type the following code: /kill @e [type=Slime] Slimes will spawn in a slime chunk under Y=40. Slimes only spawn in certain slime chunks or swamp/mangrove swamp biomes. Tiny slimes will spawn once you're more than 23 blocks away if it's a slime chunk. In slime chunks, slimes spawn regardless of the light level. You have NOt spawnproofed 128 blocks in all directions. I have been waiting for about an hour afk with the game active at. Any large slime trying to spawn in on an edge block may be failing due to the wall location. Slimes spawn in super flat worlds because because of slime chunks. Slime spawning and despawning uses different light and distance parameters from other 'hostile' mobs. If you're ≈20 blocks ftom that chunk, they'll spawn. Slimes don’t need darkness or spawn so put down just enough torches to prevent other mobs from spawning, and light up any other cave. No matter what i do (short of giving myself spawn eggs and forcing spawns) slimes do not spawn. I suggest Checking the wiki for more info. It's not the light you. ago. What about doing /locate and finding a swamp. 1. . Fences would stop all slimes as well as any other mobs, or spaced columns of dirt two blocks high with a. Updated the server from 1. This can significantly affect the number of slimes that will spawn in a chunk. I've had plenty. Slimes can spawn in non lit areas, but other mobs are much more common, and slimes are very large, so if there is any other mob there they will still attempt spawning but will fail because there are other mobs in their space. Big Slimes need 2. I am unable to get slimes to spawn in a slime chunks. Recently I used chunkbase to locate a slime chunk and dug the area out for the slime farm I'm planning on making. If there is not a slime chunk there it will be near impossible to spawn slimes make shore t hat your farm is in one or it will not work . When this occurs there is an additional 90% chance that the. I stayed several nights at swamps and saw no. Second, the grass is not a slime spawner, at least from when I've used this in the past. My slime chunk coordinates are 536,309 (x,z) and my seed is 8857034577360149641 if that helps with anything. e. My doubles chunk slime traps worked fine in early game, i now use single chunks in my perimiters. It would not work at all in that case, unless you accidentally got lucky and hit a slime chunk, in which case the whole point of building in a swamp is moot. Built in minecraft:desert biome. So I tried placing them in multiple areas around the world and they didn't work either. . 4 and the world is kinda corrupted) but no slimes are corrupting. 2. Now the slime farm is what I'm concerned about: i have checked the slime chunk for my world which the seed is -5920649356416461809 (made in 1. My first time playing sky factory, and trying to make this smelter, but controller won't work. The light level of your chosen area must be seven or less. Slimes won't spawn in slime chunk. Check your chunk with. First, slimes are a bit annoying to find. Maybe I need to put more info in my description. There is a 2x1 slime chunks. There is a bug where it runs the spawn cycle for slimes twice. Has anyone had any luck using the mini-map slime chunks, and if not what did you do?I have chosen 2 chunks next to each other to build the spawning pads, and used an non-slime chunk in front of them as the collection/lookout are. 5 vertical), but may be enough less work that the increased time to get a slime spawn may be acceptable. You need to be at least 24 blocks away but not more than 128 for them to spawn. Yet nothing spawns, i have been sitting around for 15-20 minutes in survival, then i tried going into creative and spectator to get a better view, still nothing. Seems the slimes have a hard time spawning in my multiple worlds as well. 1 Answer. That's a pretty small area for slimes to spawn. 15. On the debug screen, the value shown for MultiplayerChunkCache should tell you the server's render distance; if it's less than 441, it's probably too low. Mobs only spawn until mob cap is reached (70 on single player). 4 version (Spigot) I have setup for slime farm, but Slimes are not spawning. Slimes spawn less frequently than other hostile mobs, given identical ideal spawning conditions. I even downloaded a slime chunk finding mod, and. According to the decompiled Slime Entity code, slimes can spawn in swamps only between the heights of y>50 and y<70. 7. The full moon spawns the most slimes, while the new moon spawns the fewest. Chunks are 16x16 blocks wide (x and z axis) and 256 blocks high (y axis). The middle coordinate will show your vertical position. #15. Slimes will spawn at any time of day in a swamp and any point in the moon cycle so long as the light level is below 7 and you are below y 69 and above y59. And thats just casually killing them with no Looting 3. ago. If you are still experiencing this issue in version 1. 5 blocks high; just use top slabs every. They are rare so they are spawned at the lowest priority only after all other hostile mobs have been checked - and even then 90% of slime spawns fail. On the assumption that the seed is indeed correct, nothing is going to invalidate slime chunks. Do /kill @e[type=!minecraft:player] (not !=) to kill everything that is not a player. You need an absolute minimum of 6 layers. Slimes spawn in lit areas underground, and that will keep the other mobs from spawning. I think that's the only legit way, since slime chunk slimes don't care about light level. No mobs spawn, slimes don't even spawn at all on slime chunks. Add much as possible at least. 5, using Fabric client-side only), however, slimes will not spawn. 5 to jump, so you should go for half slabs as platforms. Slimes in swamps spawn between y51 and y69, regardless of slime chunks, most often at night, in light levels of 7 or less, and their spawning frequency changes with the moon cycle. Light does not affect slime spawning in slime chunks. Also, double check your seed and version on chunkbase. Basically, if you're not in a swamp and hunting slimes on the surface then only 10% of the spawns will be slimes. They are dark, and have a large enough area for mobs to spawn. Make sure the farm is the correct size. In chunks they spawn below Y40(other biomes slime chunks) Y60 (in swamp slime chunks) when not in swamp biomes, but only in designated slime chunks, your. If all those things dont work, try making the ceiling 1 block higher. The slimes are a mob that will drop slime balls that can be used to craft slime blocks, craft sti. Also they spawn in specific y levels depending if it is a slime chunk or swamp. They will still spawn at light levels above light level 7, when other mobs do not. A slime will split into two smaller slimes when killed unless the slime is already the smallest size. Fences would stop all slimes as well as any other. Also, other places slimes spawn and their spawning conditions. One layer isn’t gonna net you a huge amount of slime, but if you don’t need that many, then perhaps 3-4 layers above and below y=10 would yield you enough. Slimes also spawn in slime chunks. Ive tried different light levels, y levels, different biomes including swamp. . There are 3 separate 1 chunk x 1 chunks scattered around the area. You need to be at height 11 for slime to spawn and they usually spawn during night. The whole world of Minecraft is divided into thousands of chunks. /kill @e [type=Slime] will kill all the Slimes in the world while leaving everything else alone. The space they spawn in must also be clear of solid obstructions and liquids. the software i use only has up to 1. My whole goal is to not have to track down a mythical "slime chunk", but if it should come to that, I already know how, thanks though. They do not spawn outside of spawn chunks. Slime spawning in swamps can occur between Y=51 and Y=69. One out of every ten of these chunks is labelled as a Slime chunk, spawning Slimes naturally. (Use your wooden axe) 2 - Run the command /rg define <name>. If the bright moon fraction exceeds a random. light up ALL caves within a 128 block radius in all directions from the wall of your slime farms (and half slab other slime chunks if you want). : r/technicalminecraft. Slimes have a low chance of spawning compared to zombies or skeletons. Its a 3 high space, coordinates are 0,15 in the x, and -65,-80 in the z, and slime chunks should be independent of seed since its bedrock. 1. They can also spawn in swamp biomes between layers 50-70 in light levels of 7 or less. If you have a spawner plugin use its commands, if not you should be able to summon a spawner using either /give <player> 52:55 or else use /minecraft:give @p mob_spawner and place a slime spawn egg in the spawner while in creative. ago. within my base area I cleared out underground (diamond level) the whole area & found several chunks that spawn slimes. The immediate surroundings are for the most part lit, and F3 shows that there. 2 server world, found slime chunks on chunkdatabase, and started digging. Hello :): ftb pink slimeHello :): ftb pink slime Slime pink minecraft skin urlSlime rancher. Slimes spawn in the Overworld in specific "slime chunks" below. Slimes can spawn in any light level, so having your area well-lit will not stop them. Might be a problem with bedrock again. the chunk is a slime chunk (1/6 chance for any chunk to be a slime chunk on world generation) TL:DR - during the day the superflat default is basically the perfect slime farm. Minecraft community on reddit. On average about 1 in every 10 chunks is a slime chunk, so a 4x4 chunk area should give you enough chunks to include at least one. Harris (2021, March 5. Oct 28, 2020. Quite a few players don’t know about the spawning. 16. Not only should you find a large enough slime chunk, but it should also meet some of the conditions listed below. Best. The slime chunk algorithm in Bedrock Edition is different from in Java Edition. I found a nice back to back slime chunk near my base, hollowed both chunks out and below Y30 (max height for slimes to spawn) went down about 24 blocks or so, making layers every 4 blocks tall. BubbyBoy27 I didn’t think of nearby caves so I’ll look into that, but the chunk with the slimes are fully lit up 6 comments. it appears no slimes are spawning eventhough it is in slime chunks, below y=40 and every cave within the dispawn sphere is lit. Valhelsia 3. Nov 15th 2022. Most Slime farms have a minimum of 4 and usually a LOT more than that. I’ve used slime in a bucket. Not in a superflat test world in slime chunks, not from slime water from tinkers construct, and not from the slimy tool modifier from tinkers (in fact, that modifier spawns a slime for half a second, before it vanishes). Edit: right after posting this, I got 1 small slime spawn on the y-1 platform. So I have cleared an area worth two chunks from surface down to bedrock with multiple platforms for them to spawn in that chunk. In Minecraft, not every chunk is a slime chunk. This is why I'm asking if string will stop slime spawns. #15. • make an afk chamber at y134 at the golem's xz. For reference, sea level is at the 65th layer. These work the same in Java and Bedrock. Edit: It was because they only had a spawning space of 2 high instead of 3 high. The easiest way I found to stop slimes from spawning in bedrock edition is to make the floor out of some kind of glass that does include tinted glass so any type of glass. Its next to the void. Slime farms are light up to light level 8+ to prevent other types of mobs from spawning. • 2 days ago. com has a slime chunk finder that works for bedrock, you just need your seed and your coordinates. But the strange thing is, they're not spawning at all. In the newest updates, slime chunks seem to not spawn a lot of slimes or if any. The actual Launch Pad of our main silo is at Y=24. They attack by. Upgrading a world doesn't alter the slime chunk map because the algorithm is the same in all versions. Although those are rather interesting spawning conditions, it leads to them being hidden to some of. ago. I didn't dig up all the hole, but at least 25 levels. In addition to this, slimes have 90% less chances of being picked for spawning compared to the other 4 hostile. Hi, I'm looking for a working slime chunk in Valhelsia 3 to be able to make a slime farm. If after a while they stop. However, slime chunks only allow. So while the overworld list contains things like creepers and zombies, the slime island list is just slimes of the proper type. The guy was testing where slimes could spawn. If yes, string is pretty discreet, so it's. 3 - Modify the deny-spawn flag. - Slime Chunk: 0-39. 110. It must be night and the light level must not exceed 8. 15. You need to be at least 24 blocks away but not more than 128 blocks away. So I have cleared an area worth two chunks from surface down to bedrock with multiple platforms for them to spawn in that chunk. You have NOt spawnproofed 128 blocks in all directions. Slimes have a low chance of spawning compared to all other mobs so if you havent spawnproofed EVERYTHING, they will barely spawn. 4 but i have read that no updates have affected seed generation and slime chunks, could this be a bug with the pre. Slimes can spawn under any of the biomes in Minecraft, but we should make sure. BubbyBoy27 I didn’t think of nearby caves so I’ll look into that, but the chunk with the slimes are fully lit up6 comments. Do /kill @e to kill all entity including dropped items, started TNTs, arrows, yourself and minecarts. 2. The problem is, whenever i make a mob farm. The slimes need to split to get the bestiary if spawned from a minion. 19 and Minecraft 1. Firstly, use a slime chunk finder to make sure you're in the right area. If you do this in a corner and AFK at the top for awhile, you can just look down and see any slimes through your. Im playing on a smp server, difficulty hard. SlimeSuppressor is a simple plugin that suppresses/disables slime spawning in slime chunks, potentially useful for superflat worlds. Slimes in swamps spawn between y51 and y69, regardless of slime chunks, most often at night, in light levels of 7 or less, and their spawning frequency changes with the moon cycle. With this command in a Command Block, an automatic elimination of Slimes is possible: Just set it to Repeat and Always Active, and then you're done. I'm not sure if this is the right section for this, but I have a question pertaining to Slime spawning. Try moving a lil bit farther away, like 60-70 blocks. Go underground until you arrive at Y40, then dig a 20-block-deep 16x16 chamber. In Minecraft, Slimes only appear in certain chunks. ) Why are slimes not spawning? AskAbout. Three main tricks are commonly used to handle them, although the first two are outdated methods. S. - Not enough spawn area. Just make sure you are below Y40 and the light levels are as low as possible. Join. Light the area so no other hostile mobs will be able to spawn. Slimes not spawning in slime chunks on realms. These are special chunks that slimes are able to spawn on. Yes, down to Y0, no light, slime chunk on chunkbase. 4. No - swamp slimes spawn in light levels 7 and below between heights of 50 and 70, varying depending on the phase of the moon, and slime chunk slimes spawn below height 40 without depending on light levels or the phase of the moon. To clear an area for your slime farm, you will want to remove every block in the chunk below Y=40. If you have any idea, please tell me. Count how many slimes spawn in a certain time frame. Pignity69 Iron Farmer • Additional comment actions. N. Doesn't have to be a swamp. Large slimes require 3 blocks of height (technically just 2. – spund3 Feb 6, 2016 at 10:15 1 @spund3 Slimes in slime chunks at y<40 ignore light levels completely. I am pretty sure you could use torches around your base or put torches on the slime spawner. I'm not sure the issue. the big slime needs a 3x2. 1 Answer. json spawn rules that was created to fix MCPE-153502 has multiple mistakes that break parity with Java Edition: It allows slimes to spawn at Y = 40 and Y = 41. It is made to look like a vanilla line in the f3 hud. 16 when I built the farm but I updated it to 1. However, slimes can spawn regardless of light level as long as the following conditions are met: the block the slime is trying to spawn on is below y = 40. Slimes not spawning [1. Slimes spawning in slime chunks spawn regardless of light level so that isn't an issue. Here is an example I built in my SSP world in 2 diagonally adjacent slime chunks. What's more salient, though, is if non-slimes are spawning and you're not killing them off that reduces slime spawns even. 278. Like Gary said, slimes are extremely low on the hostile mob spawn priority list. The accuracy of the slime chunk finders is something I would definitely want to confirm once the mob spawning bugs are fixed. Lit up the area to avoid other mobs spawning. Aug 21, 2015. It allows slimes to spawn at Y = 70 and Y = 71. So it's possible that slimes have spawned but despawned before they got killed. It might help to include pictures of the farm. The slime chunks are accurate, but spawn rates seem to somehow be uber low. As mentioned, slimes spawn from y=0 -> y=40 in a slime chunk. e one that doesn't take up a whole chunk because mining all of it would take a long time) please let me know. Even on Easy you get a couple slimes per minute in a properly prepared farm with correctly spawnproofed area. They will only spawn if you are within 16 to 144 blocks. Except in the swamps during moon phases. I started on y=11 and waited around by the chunk for anything to spawn, but nothing has, but I. Easiest way. When slimes spawn they try to attack the golem and are killed by the cactus, dropping slimeballs onto the hoppers. Put something that will make slime move towards the kill chamber. Stand a good 30 blocks away from the edge of the chunk and afk for about 10 minutes to an hour, and you should have at least one slime in there. Out of all the chunks, about one in ten will be a slime chunk. Slimes also spawn in slime chunks. On one of my worlds, I found a slime spawn down in a cave. Pretty much anything else that can spawn first will spawn first. If you manage to find a really compact slime farm, (i. To find slime chunks, players have to dig deep down to Y level 30 and mine out a 4-block tall area. This method requires an underground room to be dug out before the farm is constructed. Share. Mobs will not spawn closer than 24 blocks away from the player. Additionally, slimes tend to spawn in swamp biomes, around layers 50 and 70, in less sunny locations (light level 7 or less). either: spawn block y coordinate is less than 40. You can stop them from spawning by lining the floor of your area with transparent blocks, such as glass or slabs. Slime balls are easily obtained through create dough or tinkers blood. 17. Slimes are bouncy, cube-shaped hostile mobs that spawn deep underground in particular chunks, or in swamp biomes. As slimes can generate in any light level, ensure to light up. Slimes spawn in areas below layer 40, and also spawn on the surface of swamps during the night, depending on the phase of the moon. When in a swamp area, slimes will appear between the 50th layer and the 70th layer. What about doing /locate and finding a swamp. plains biome and theres only the one plattform visible in the screen. 5 from 1. I'm digging out an area which should be a slime chunk to build a slime farm but so far no slime have spawned. I have lit up the room light levels are above 10 everywhere and there are no other mobs spawning inside. I verified the chunk was a slime chunk through. Do /kill @e [type=minecraft:slime] to kill all slimes. Use the gate, hit the first slime with the model to make a slime model, throw it in the deep learner on your hotbar, then kill all the slimes. higher spawnrates). Can slimes spawn in the sky. During construction of the pads, there were a couple of skeletons, zombies, and a creeper, but nothing. The swamp rule is also a bit weird as well. Slimes spawn in the Overworld in specific chunks below layer 40 regardless of light levels. It’s a predetermined area that will spawn slimes. The world of Minecraft is split into chunks, each being a 16x16 square that extends vertically throughout the entire map. Within slime chunks, slimes can spawn when Y < 40. I have lighted up whole 40x40 area, setup is at y=26; Loaded Mobs are on minimum (around 4 mobs loaded). To easily find a slime chunk in your seed, you can use Chunkbase. Mobs can't spawn closer than 24m to you (but despawn when farther away than 128m), so don't stand too close to where you expect them to spawn; It's a good idea to hollow out a 16x16 wide (= 1 chunk) and at least 3 blocks. I had to dig down pretty deep (-14) in my chunk and start building multiple platforms up before I saw any significant slime spawning. Tutorial explaining what a slime chunk is and where to find it. I've dug out multiple different slime chunks (triple-checking with Chunkbase to make sure I had the correct coordinates), lit up surrounding caves, made sure the farms were made from spawnable blocks, but. Mob swab if you've never used it is and easy way. 18 (only 400 blocks around spawn is loaded in 1. If the fraction of the bright part of the moon is bigger than that number, the slime will spawn. Java version 1. Check if the farm has the correct conditions for slimes to spawn. Best. Cons: requires lighting caves and lots of excavating. Best. Only sizes 1, 2, and 4 (NBT Size tag values 0, 1 and 3 respectively) spawn naturally. Jul 17, 2016 at 22:03 @Alex no, I wanted to know what the top level of a slime farm should be for maximum efficiency, that can be found with data and so is not opinional. They spawn the most often on a full moon, but not exclusively. Also, I'm doing this at night, no light sources, and I have never found any slimes in my world. 19. None yet. The Dread Lamp works the same, but for passive mobs, no more bats in your belfry. ) I know its a slime chunk as I've seen a medium slime spawning in the region, And I've cleared a 130x130 size area for them to. " Im playing on a smp server, difficulty hard. Tried making a slime farm but it isnt working. They can also spawn in swamp biomes between layers 50 and 70 in light levels of 7 or less. These chunks are rare and consist of only 10% of all in-game chunks. 18+. I found a ravine nearby and lit that up along with all the other caves nearby. Yes, its a multiplayer world. However, I soon realized something isn't right: the slime chunk did not spawn the slimes commonly, in fact its too rare, it only spawn a few about less than once a month. Slimes are a useful mob as they will drop slimeballs that can be used in sticky piston. Chunkbase also failed to correctly identify slime chunks in my current 1. I'll dig out and see if there's a spawner somewhere. “Apart from spawning in swamps (added in 1. Slimes can spawn in specific "slime chunks" below layer 40 of the Overworld. Let's get squishy!This tutorial will show you how to locate a slime chunk without external tools and set up. Cypher_Xero. . The basic concept of building a Slime farm is simple: you need to find a Slime Chunk, dig out the entire Chunk, create platforms for the Slimes to spawn, and then have an efficient way of killing the Slimes and collecting the Slimeballs. This is your vertical position in the world. “Apart from spawning in swamps (added in 1. Use slime minions to spawn them. I have waited for around 15 minutes exactly 32 block from the closest edge of the chunk with no spawns. I dug out a slime chunk and made a bubble elevator and drop to constantly go in and out of spawning range. The area I have dug out is at level 33 which is less than 40 so slimes should be spawning. I usually find slimes when the room is at least 3 chunks square (48x48), but for the best results, I. 1. 3, Make a mob duplicator, and there you go! Dig straight down one block away from the slime chunk (a vertical column that cannot spawn slimes but is adjacent to a vertical column that can spawn slimes, which is part of your slime spawning pads) and place ladders down. If and when you find a slime underground, it must have spawned in a slime chunk, so press F3 + G (on. They can also spawn in swamp biomes between layers 50 and 70 in light levels of 7 or less. Here are some reasons why they won’t spawn: Max Mob Limit in the Surrounding Area. As slimes can generate in any light level, ensure to light. Ideally > 7. I triple checked the coordinates and everything to make sure I was in a slime chunk. SlimeSuppressor is a simple plugin that suppresses/disables slime spawning in slime chunks, potentially useful for superflat worlds. as far as i know I’m doing everything right, ive lit up surrounding caves and my afk spot is at. Mobs can't spawn within 24 blocks of the player, so by afking in the corner you lose a lot of spawning space. A chunk is 16 by 16 area in Minecraft. Within slime chunks, slimes can spawn when Y < 40. The rarity is supposed to be 10% but since it runs twice the rarity is now 1%. I have built slime farms in. the light level of the spawning block must be 7 or darker (with exception. I'm playing realms on bedrock. Nov 26th 2020. Though Slimes will spawn on Peaceful mode, pending some unknown bug, they will never be large enough to actually cause damage to you. Chunks are 16x16 blocks wide (x and z axis) and 256 blocks high (y axis). ive tried different slime chunks and lighting caves but no slime spawns. A trick that you can do is to click the key combination f3+Q followed by f3+G. Spawning: Slimes can now spawn both in swamp biomes as well as in slime chunks. Ive heard somewherw that slimes dont spawn below y=37, so maybe you can try that.