Field Surgeon's Kit used to grant HP regeneration for a few turns while in combat. Currently, it only heals measly 10 HP and doesn't grant any regeneration (also, its 'Healing Spray' icon doesn't disappear until the end of combat).
Gave my new Kineticist a nasty surprise when I tried using it.
Gave my new Kineticist a nasty surprise when I tried using it.