This guide is intended for someone that deals realistically 0 damage at the higher waves of the tier 15 milestone push. If you seek an approach with more damage focus, you should look elsewhere.
This guide was written by minionek247 (C5BA98964102874D), and with just cross-linking and site-integration done by J Plays.
You will want to Respec out of wall, damage and coin Workshop Enhancements and into Max Recovery/Health because of the increased Thorns compared to Wall Thorns.
I am not sure how effective Sharp Fortitude would be for this task, however my intuition tells me it wouldn’t be beneficial.
Modules don’t matter too much, however, a few additions are helpful.