- Build everything in the first build phase, but if you aren't fast enough, finish building in the second build phase (make sure to abuse the fans to reach chests as fast as you can)
- Use a Jester to upgrade all towers and to kill lightning enemies at the end of waves, plus a DPS Monk equipped with a DPS pet sitting at the crystal to protect it.
- Give priority to upgrade towers near the Physical Beam, the other spot isn't really important