Dungeon Raiders Add-on 1.21+

Mod Dungeon Raiders adds 2 new dungeons and several structures to Minecraft. Both dungeons have their own difficulty levels and sizes. In each of them, valuable items can be acquired, and the exploration itself promises to be an exciting journey through new locations in the block universe.

Basement
Mini-dungeon
One room
Generated under the ruins of house structures

Ruins Dungeon
Entrance located above ground
Consists of 3 floors
With each floor, the difficulty increases, and the loot gets better
Generated randomly