'''Regeneration''' (or '''regen''') refers a resource refilling at a steady rate over time. Many things "regen" in Diablo III generally refers to , most notably player life and various player resources, often at a rate boosted by player equipment and/or skills. * '''Life Regen:''' The most common use of the ability term is for "life regeneration" where a player's pool of hit points refills. There is no inherent life regeneration for any skill in Diablo 3; it must be enabled via skills or item bonuses. (whether native Which are quite common.)* '''Resource Regen:''' Most class resources have a default regen rate, which can usually be increased by item bonuses, or refilled in chunks via skills or health orbs. ** Resources with an inherent regen rate: The Demon Hunter's [[buffHatred]]ed by and [[itemDiscipline]] modifiers) to regenerate a , the Wizard's [[resourceArcane Power]], whether it be the Witch Doctor's [[healthMana]] or , and the Crusader's [[manaWrath]]-equivalent resource of any . (All of these have an inherent regen rate that can be increased by skills and items.)** Resources that do not regenerate inherently: the Monk's [[Spirit]] and the five Barbarian's [[classFury]]es. It (Skills and item affixes can also refer to a monsterenable regen for both these resources, especially the Monk's ability .)  ==Life Regeneration in Reaper of Souls== Life regen is much more prominent in Reaper of Souls, due to regenerate its own health over timethe more tactical gameplay, larger character hit point pools, as was frequently used in the removal of [[Diablo IIlife steal]], and numerous skills and new items granting hps regen.