https://www.curseforge.com/minecraft/mc-mods/rats
https://www.curseforge.com/minecraft/mc-mods/rats-ratlantis

Rats adds rats that can be tamed and used for some automation with mechanic's similar to Thaumcraft golems

Rats: Ratlantis is a lush, tropical land home to extremely dangerous and powerful mobs. Using materials and drops from this dimension, one can craft extremely powerful Rat Upgrades.

Rats are cool.

Check screenshots on mods page.

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