Build inspired by The Dungeon Defender
You might need a dps for north on first wave depends on stats.
Fist wave build auras, buff beams, lightning towers, deadly striker tower, 2 shroom pits, and the reflects that are NOT apart of pin 3/4. (The app towers are ontop of the boxes closest to staircase.)
Second wave build wisp dens, golem, minions, and pin 3/4 reflects. (Pin 3 dont build them ontop of the boxes just around the build and Pin 4 the top right points go ontop of the boxes with the app towers webbing to the wisps on the floor, or place them however you see fit.)
I used 3 summoners with 2 app, 2 monk, and 2 huntress guardian pets with a monk TB. (Keep summoners close to build but not ontop of it. I just put them behind the other boxes against the wall.)