Changing the skill's cooldown at skill_cast_db.txt does not add cooldown to the skill:
case HVAN_CHAOTIC: //[orn] { static const int per[5][2]={{20,50},{50,60},{25,75},{60,64},{34,67}}; int r = rnd()%100; int target = (skill_lv-1)%5; int hp; if(r<per[target][0]) //Self...