Modficar spells

Alguem ajuda a fazer essa spells so garrar em monstros, e nao em player pf...

 

Citar

local combat = createCombatObject()
setCombatParam(combat, COMBAT_PARAM_TYPE, COMBAT_FIREDAMAGE)
setCombatParam(combat, COMBAT_PARAM_EFFECT, CONST_ME_FIREAREA)
setAttackFormula(combat, COMBAT_FORMULA_LEVELMAGIC, 5, 5, 5, 50)

local area = createCombatArea(AREA_CROSS5X5)
setCombatArea(combat, area)

function onCastSpell(cid, var)
    return doCombat(cid, combat, var)
end