I used a slime chunk finder for PE and created multiple slime farms around chunks I found in different areas. However in both farms I have never had a single slime spawn. I went through the cave systems I found in the area lighting every cave, tunnel, and gorge, killing all of the mobs I found and disabling all of the spawners I found. To try to reduce the other mobs spawning around my rooms.
My larger slime room is a 3 platform build located in the slime chunk from 0, -80 to 15, -65. The room starts at level 6 and has platforms rising up to level 18. I have spent an hour and a half waiting approximately 28 blocks above the room to have zero slimes spawn inside it. Each platform has a 3.5 block height to allow the slime to spawn and jump off the platform.
I jumped to a copy of the world in creative with cheats and used `/time set day` to prevent anything from spawning on the surface, then used `/kill @e` to kill everything in the area. Then I waited 8 minutes and used `/kill @e` again. Only one skeleton was killed so I definitely wasn't at the mob cap, but still zero slime spawned in that time with me 28 blocks above the farm.
Additionally I have a second slime farm that is just a simple large room inside the slime chunk from -33, -1 to -48, -16. This room is built on level 33. The room is 5+ blocks high in all areas. I have spent hours waiting for slimes to spawn in this room also and again have never seen a single slime. I even tried using the `/time set` command to progress the game to full moon phases hoping that would help but after waiting 10 full moon phases nothing spawned.
In addition I have camped out in three separate swamps for slimes on 4 full moons, and countless other nights and have only ever found 2 slimes in total in the swamps.
Swamp locations:
244, 510 (I found a big slime here)
-386, -890
-415, -1228 (I found a tiny slime here)
Seed: -14252882
My World: slime_chunk_test.mcworld
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gruva
migrated
@gruva Thanks. I had considered that as well and spent a good amount of time today lighting the cave systems I could find in the area, killing every mob I found. I even built a second larger farm in a different chunk. I still don't have any slimes spawning. I updated my bug description and uploaded an updated version of my world to reflect the lite caves and larger farm location.
bemoty
Thank you for your report!
However, this issue is a Duplicate of MCPE-29401.
If you have additional information, please add it to that report.
Please search before reporting, as it's likely that one exists already.
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This is probably linked to https://bugs.mojang.com/browse/MCPE-21856 as I assume that slimes share the same mobcap as the other mobs. Have you tried lighting all the caves in the tick range to focus the spawns?