The bug
End portal can generate underground.
How to reproduce
Seed: -953538683905638291
Coordinates: /execute in minecraft:the_end run tp @s 0.35 22.00 0.79 379.99 90.00Seed: -953538683905638291
Coordinates: /execute in minecraft:the_end run tp @s 0.35 22.00 0.79 379.99 90.00Discovered while testing MC-83013 and relates to MC-88371 and MC-86654 .
Duplicate of MC-93185