What do u want to that spell to do?
Something like manaburn?
local combat = createCombatObject()
setCombatParam(combat, COMBAT_PARAM_EFFECT, CONST_ME_MAGIC_BLUE)
setCombatParam(combat, COMBAT_PARAM_AGGRESSIVE, false)
function onCastSpell(cid, var)
return doCombat(cid, combat, var)...