when located the ancient city. the ancient city is not completely covered by the deep dark biome. this makes a lot of mobs spawn in the ancient city and is very annoying.
There is some seed with this bug :
• 2814761879323725871
• -106006368705497521
Steps to reproduce:
1. Make a new world
2. Locate an ancient city
3. Teleport to ancient city
Observed results:
Some part of ancient city didn't covered with deep dark biome
Expected results:
Ancient city fully covered by deep dark biome
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Comments 1

Thank you for your report!
We're tracking this issue in MCPE-154229, so this ticket is being resolved and linked as a duplicate.
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