try mo iedit yung sa skill_cast_db mo
/db/skill_cast_db
SkillID,CastingTime,AfterCastActDelay,AfterCastWalkDelay,Duration1,Duration2,Cool Down
//-- NJ_SHADOWJUMP
529,0,1000,0,0,0,0
//-- AS_CLOAKING
135,0,0,0,500:1000:2000:3000:4000:5000:6000:7000:8000:9000,0,0