Each Creature can pick two perks, the first from a pool of 4 and the second from a pool of 3. The first pool contains perks that improve an aspect of the Creatures combat potential, while the second improves an aspect of the Creatures endurance.
Stronger Melee is a general perk that increases the damage of the Creatures melee attacks.
Longer Limbs is a general perk that increases the effective range of the Creatures melee attacks.
Creature Vision is a general perk that allows the Creature to see Soldiers through walls and other solid cover. As the Revert has this power by default, it is replaced by the Larger Splash perk when playing as a Revert.
Efficient Phantom is a Zek only perk that reduces the energy drain of their Phantom Mode.
Shorter Fuse is a Phase Tick only perk that reduces the fuse time of their Tick Sac attack.
Larger Splash is a Revert only perk that replaces Creature Vision that increases the splash damage radius of their Puke attack.
Nausea is a Revert only perk that increase the damage of their Puke attack.
Innervate is a Radion only perk that allows the Radion to recover some energy when directly hitting an enemy.
Sprinter is a general perk that increases the sprint duration of the Creature.
Increased Speed is a general perk that increases the base speed of the Creature.
Fast Recharge is a general perk that increases the energy recharge speed of the Creature.