[MCPE-153203] Woodland Mansion generates on the wrong biome

Woodland Mansion generates on the wrong biome such as desert.

Steps to reproduce:

Enter the seed 1818646330
Enter the command "/tp 2833 116 -814".
You will see the mansion on the desert.

Expected result: Woodland Mansion generates only on dark forest.

Observed result: Woodland Mansion generates on the wrong biome.

Edit: Here is the link of the video. Note that seed is originally found by Kyle Cuaron.

https://www.youtube.com/watch?v=c1q6PqUWZWY&t=244s

Linked issues

is duplicated by 2

MCPE-176515 Woodland mansion not generating all the way to the bottom Resolved

MCPE-237550 Woodland mansion generates on single biome dripstone caves world Resolved

relates to 2

MCPE-150969 Pillager Outpost can't generate below y 0 Reopened

MCPE-172251 Deranged structure generation at deranged noises Open

Attachments

Comments 3

JervieA20 2023-06-22T09:39:06Z

Affects in 1.20.0, 1.20.1 & 1.20.10.24 Preview

Sightnado 2025-09-15T20:39:57Z

Still affects 1.21.100

TheMightyDark 2026-05-15T11:29:59Z

This is caused by the fact that woodland mansions can actually start generating from a cave biome, such as lush caves.

Sulfur caves are also treated as a biome where the woodland mansion can start generating in. (That was found out using a single biome sulfur caves world as of 26.30.28 Preview)