Tenta assim.
local combat = Combat()
combat:setParameter(COMBAT_PARAM_TYPE, COMBAT_PHYSICALDAMAGE)
combat:setParameter(COMBAT_PARAM_BLOCKARMOR, true)
combat:setParameter(COMBAT_PARAM_BLOCKSHIELD, true)
combat:setFormula(COMBAT_FORMULA_SKILL, 0, 0, 1, 0)
function onUseWeapon(player, variant)
local creature = player:getTarget()
creature:say('Cure me irmaos!', TALKTYPE_MONSTER_SAY)
return combat:execute(player, variant)
end