First, Brio will throw a blob. Jump on the blob when it is is bouncing on the ground. Brio will then throw a purple potion. Dodge it. The he'll throw two blobs. Kill them. Then more potions. Then three blobs. After you destroy the last of the three blobs, Brio will throw alot of potions. Once you have dodged them, He will drink his green potion and transform. He will walk towards you, smashing the ground. A block will land in front of you. Jump on it and then on his head. He will lose more life. Repeat the head-jump two more times.