This build beats the first level in 45 seconds, giving an extra XP bonus.
The darkness trap at Note 1 can be replaced with an extra LT if you're bringing DPS/DPS pets to take care of the spiders that drop on both sides. I use an upgrader jester to get the buff up a couple notches, but how far is needed to avoid the XP loss from crystal damage, depends on your stats. Note 2 is the best place to aim to get quick mana.