local combat = createCombatObject()
setCombatParam(combat, COMBAT_PARAM_TYPE, COMBAT_PHYSICALDAMAGE)
setCombatParam(combat, COMBAT_PARAM_EFFECT, 10)
setCombatParam(combat, COMBAT_PARAM_DISTANCEEFFECT, CONST_ANI_ENERGY)
setCombatFormula(combat, COMBAT_FORMULA_LEVELMAGIC, 0, -100, 0, -150)

local combat2 = createCombatObject()
setCombatParam(combat2, COMBAT_PARAM_TYPE, COMBAT_PHYSICALDAMAGE)
setCombatParam(combat2, COMBAT_PARAM_EFFECT, 10)
setCombatParam(combat2, COMBAT_PARAM_DISTANCEEFFECT, CONST_ANI_ENERGY)
setCombatFormula(combat2, COMBAT_FORMULA_LEVELMAGIC, 0, -150, 0, -200)

local combat3 = createCombatObject()
setCombatParam(combat3, COMBAT_PARAM_TYPE, COMBAT_PHYSICALDAMAGE)
setCombatParam(combat3, COMBAT_PARAM_EFFECT, 10)
setCombatParam(combat3, COMBAT_PARAM_DISTANCEEFFECT, CONST_ANI_ENERGY)
setCombatFormula(combat3, COMBAT_FORMULA_LEVELMAGIC, 0, -150, 0, -200)

local combat4 = createCombatObject()
setCombatParam(combat4, COMBAT_PARAM_TYPE, COMBAT_PHYSICALDAMAGE)
setCombatParam(combat4, COMBAT_PARAM_EFFECT, 10)
setCombatParam(combat4, COMBAT_PARAM_DISTANCEEFFECT, CONST_ANI_ENERGY)
setCombatFormula(combat4, COMBAT_FORMULA_LEVELMAGIC, 0, -150, 0, -200)

function onUseWeapon(cid, var)
         local rand = math.random(1,4)
         local combats = {combat1, combat2, combat3, combat4}
         for x = 1,#combats do
             if rand == x then
                doCombat(cid, combats[x], var)
                return true
             end
         end
end