Berserk that you will find in Volcannon Trap and this is where you fight him before Boomerang finishes him off . You will fight him 2 times - one with him gathering energy , almost at full power and one when his power is very low - at 1% .
- Taunt ( 2nd Fight )
- Blaster Howl
- Disrupt Hammer ( More powerful )
- Berserk Break ( Deadly attack that can hit all enemies hard and almost kill them - 1 hp chance )
Reward you will get is a skill "Defense Up 2" , as well as Full Libra 2 .
He tires to escape to Photosphere , but Boomerang finishes him off.