Adds a lot of aggressive mobs, with their unique properties that can diversify and complicate your survival. Also adds new structures, equipment, blocks and achievements.
An addon mod for Iron's Spells 'n Spellbooks that adds structures, spells, armor, and curios focusing around the Ender class in Iron's Spells n Spellbooks
Prevents structures from overlapping during world generation using a first-come-first-served system. Structures that would conflict with existing ones are simply not generated.