Build Description
The golem deals with the Ogres up top but be mindful of the Reflect Beam @ HINT 2. The mini mage towers can do heavy damage to this Reflect - keep it healed.
I went round upping everything with a TB Monk. for final wave @ HINT 1 I had a Summoner with Monk/Huntress pets, another char with an Apprentice pet and my TB monk.
The Boss gets caught at HINT 3 and it went down pretty quickly.