code/modules/mining/equipment/monster_organs/regenerative_core.dm

/obj/item/organ/internal/monster_core/regenerative_core	On use in hand, heals you over time and removes injury movement debuffs. Also makes you a bit sad. On use when implanted, fully heals. Automatically fully heals if you would enter crit.
/obj/item/organ/internal/monster_core/regenerative_core/legion	Different graphics/desc for the lavaland legion
/datum/action/cooldown/monster_core_action/regenerative_core	Action used by the regenerative core