private SkillHandler()
{
_datatable = new TreeMap<SkillType, ISkillHandler>();
registerSkillHandler(new Blow());
registerSkillHandler(new Pdam());
registerSkillHandler(new Mdam());
registerSkillHandler(new CpDam());
registerSkillHandler(new Manadam());
registerSkillHandler(new Heal());
registerSkillHandler(new HealPercent());