In order to accommodate play styles incorporate intrinsic perks on each predator type. For example hardly anybody uses scout.
Scout predator:
Biomask uses no energy while in thermal vision.
Blood clots far and few in between after taking damage.
Enhanced aim assist while using ranged weapons.
Regenerate quickly health over time if not taking damage.
Berserker:
Enhanced melee damage.
Health regenerates slowly over time if not taking damage.
Stun enemies longer with power slam.
Hunter:
I dunno No energy drain while using melee swipes.
Ability to parry sniper and grenade launcher shots directly back to enemy that shot at you with significantly more damage I dunno you guys decide…