History of Osmosis

Overview

Osmosis changes the weapon's damage type. Using your grenade partly refills the magazine and switches the damage to your grenade's element until you stow the weapon. The wiki describes this as your subclass element. Osmosis was introduced in Season of Dawn.

Shattered Vault says it is useful for element-focused bounties and Match Game. The Enhanced version improves handling. It rolls on weapons such as Fatebringer, Praedyth's Revenge and Patron of Lost Causes.