Combo for all characters (beta)
BK - standard
SM - Teleport/Mana Glaive + Lightning/Ice/Aqua Beam/Inferno
ELF - Ice arrow + Penetration/Triple shot
SUM - Drain Life/Mana Glaive + Chain Lightning/Ligihting Shock
MG - skill + fire slash/flame strike/Lightning/Ice/Aqua Beam/Inferno
DL - Force + Fire Burst/Fire scream
possible changes in the future