The Chaos Module is a weapon ascension material for weapons that can be dropped by elite enemies in Genshin Impact. This page contains information on where to find the Chaos Module and what weapon it is used for ascension.
Comes from a now-inactive ancient Ruin Drake. The dragons were once the most primitive and ancient bodily form of the supreme elements until they were defeated, conquered, or assimilated.
Where To Get Chaos Module
These are weapons that use Chaos Module for ascension: