MrShayneCarter I'm not certain because I can't speak or read Chinese, but it looks like the player that cast it is using Wudang 5th inner. If you have open tai chi level 10 with 30-40% on the rage +Wudang 5th inner activate, that can explain how he crit for 10K. Because when he normally crit, it was like 7700. When Wudang 5th activated, it gave him an extra 30% damage. I'm taking a shot in the dark here, but I think this is how he did it.

MrShayneCarter He also probably has treasures with open tai chi(ancient manual) damage on them.