This build requires one of your Summoners to be equipped with an Apprentice Guardian pet and a Huntress Guardian pet to work the way it's intended.
This build is supposed to hold 1 Summoner utilizing Flash Heal from time to time so Auras and Physical Beams won't die.
- Start at wave 18, build everything and put all Buff Beams to 3 stars except for the ones closest to the Lightning Towers
- Start using a Tower Booster Monk and an upgrader Jester. Upgrade everything to 3 stars
- After you are done, swap to your Summoners
- Make sure to repair your Auras and Physical Beam from time to time