Undead Crypt
mna:faction/undead_crypt
Biomes
Undead Crypt generates in these biomes and biome tags:
#mna:crypt_biomesPlacement
Undead Crypt: the world places one attempt in every 25×25-chunk region, at least 20 chunks apart; it shares its placement set with other structures (weight 1).
Mob spawning
This structure overrides spawning for: monster.