change your mw script for this:
local combat = createCombatObject()
setCombatParam(combat, COMBAT_PARAM_DISTANCEEFFECT, CONST_ANI_ENERGY)
setCombatParam(combat, COMBAT_PARAM_CREATEITEM, 1497)
setCombatParam(combat, COMBAT_PARAM_AGGRESSIVE, 0)
function onCastSpell(cid, var)
return...