Combat roles (known simply as roles in-game) change how effective a characters powers are, depending on the specific function of each power. A character's chosen role may increased or decreased damage, bonus health, Hold/Root duration and/or potency, and Threat generation. There are 5 combat roles currently available: Hybrid (formerly Guardian), Tank (formerly Protector), Melee Damage (formerly Brawler), Ranged Damage (formerly Avenger) and Support (formerly Sentinel).