He uses really nice combos actually. 8D
I've seen other videos, where when they charge their MP, it takes a long time, and their opponent has time to run, but in DToNE's demonstration, he's using a normal attack to stun them while he charges. 8D
I'm on GW2! Except I don't know my own Account name!
Trying to pull any of this off in a PvP though, particularly a PvP with more than 2 people in it, is not easy. There's no need to nerf it just because it destroys the practice dummy. Just about anything will destroy the practice dummy.