Overworld structures cannot generate but nether fortresses still generate.
Ghast spawning area on nether roof.
Ghasts are able to spawn above any non transparent block in the nether that is not in a nether fortress as long as there is sufficient space at least a 4 4 4 space with the base centered above a solid block so i d guess either cover the floor with glass or completly fill the entire nether from top to bottom.
According to the wiki.
In soul sand valleys where only skeletons and ghasts spawn ghasts cannot spawn if another ghast is within 16 blocks of spherical distance to.
They spawn only in the basalt deltas nether wastes and soul sand valley all three of which exist only in the nether dimension and in any light level.
Ghasts are mobs found in the northern end of the blazing fortress at nighttime 9 00 pm 5 00 am skyblock time in the sky zone near the level 9 magma cubes magma cube boss spawn zone or from ghast minions.
After update 0 16 0 ghasts would spawn in ridiculous numbers and could spawn in 3x3 areas.
Nether mobs such as zombified piglins and magma cubes can spawn only as part of the fortress.
In update 0 15 0 ghasts spawn in as giant floating squids.
Without access to the area above the nether roof the only way to build a fast ghast magma farm is to remove all the blocks in a large area of the nether which is generally considered to be unsightly.
They need a roof of any block 10 blocks above and this roof has to be higher the higher you go.
While they deal the same damage as vanilla ghasts their health has been increased to 330.
Ghasts can spawn anywhere in the nether if there s room for them to fly.
To spawn naturally ghasts require a solid block below them and 5 4 5 free space.
In bedrock edition when overworld biomes are generated in the nether dimension at layer 31 the lava sea is replaced with water sea passive mobs cannot spawn while monsters can.
Question do mobs spawn above bedrock in the nether.
He also covered this glitch with the overworld above y 128.
They drop ghast tears just like vanilla ghasts but no gunpowder.
They re one of the largest mobs you can find in minecraft and can shoot explosive fireballs from a vast range away.
Generation in bedrock edition.
Any block with a blast resistance value of 4 2 or higher is immune to ghasts.
A ghast fireball hitting the frame of an unlit nether portal will actually re ignite a nether portal.
This means terracotta basalt and stone smooth or cobbled as well as diorite andesite granite purpur end stone blackstone bricks regular or nether as well as.
