Level 3 was fun:

Alright, let's dance!

Took a long time to clear the waves. One thing is, if you look at the previous screenshot... I still had berserk on from the ancients! I didn't realize that until the Infector wave... holy moly, how stupid of me! I switched back to concentrate, and it became a whole hell of a lot easier.
Dangerous, but I prevailed! Definitely helped that I found a Kelpie Snare? for my Merc. I didn't take a screenshot of it because I wasn't sure if I'd like it, but it certainly does its fair share of work, especially on single-targets like bosses!
This post was edited by Interesting on Sep 5 2017 09:23am