Crusader's Charitable Zap Awakening damage bug

[ceruulean]

Client version: 636
Time: 9/22/17 19:16 CST (17:16 PST)
Character name: Flail
Character level: 95
Class: Crusader
Location: Heatwave Volcano Nest
Frequency of error: very frequent but random

When you explode the Zap Stigma it does waaaay less damage than it should

These are both from the same run, you can see the explosion does 14 million and 13 million CRITS. The non-crit usually does around 133 mil and crits for 250-350 depending on buffs and debuffs.

https://streamable.com/j3qhu

https://streamable.com/k56xc