Ancient Portal

idas:ancient_portal/ancient_portal

Biomes

Ancient Portal generates in these biomes and biome tags:

#idas:has_structure/ancient_portal_biomes

Placement

Ancient Portal: the world places one attempt in every 60×60-chunk region, at least 40 chunks apart; it shares its placement set with other structures (weight 1).

Mob spawning

This structure overrides spawning for: monster.

ID	`idas:ancient_portal/ancient_portal`
Generation step	`underground_structures`
Spacing	60 chunks
Separation	40 chunks
Placement set	`idas:idas_underground_rare`