http://orangemushroom.***/2012/11/28/kmst-ver-1-2-457-demon-avenger/New info on a new class, was just released into tespia (Korean MS test server). It's a split from Demon Slayer (Much like how you choose between I/L P/F Bishop for Mages) .
Doesn't have mana. Skills do damage based on current hp amount.
http://www.twitch.tv/onepieceleafre/b/343797125Above video is of someone playing the char in the tespia server during the release. Keep in mind tespia has 10x? exp / drop bonus.
Tbh he looked ridiculously strong, the streamer had no idea what he was doing. I watched it live and he kept asking chat if there was anybody who could tell him what each skill does / what to add etc.
At lvl 90 he was doing 50k lines x 3 or 4 hits at 55khp. Reading just a basic description of the skills it seems he would easily do 200k per line at lv 150s with correct usage of skill and absolutely no funding.
Not to mention the bossing potential from having a class built around life steal.
Start stocking up on %Max hp kids =P