local combat = createCombatArea()
	setCombatParam(combat, COMBAT_PARAM_TYPE, COMBAT_PHYSICALDAMAGE)
	setCombatParam(combat, COMBAT_PARAM_EFFECT, CONST_ME_EXPLOSIONAREA)
	setCombatParam(combat, COMBAT_PARAM_DISTANCEEFFECT, CONST_ANI_FIRE)
	setCombatParam(combat, COMBAT_PARAM_BLOCKARMOR, true)
	setCombatArea(createCombatArea(AREA_CROSS1X1))
 	 
function onGetFormulaValues(cid, level, maglevel)
 	local base = 60
 	local var = 40
 	 
local formula = 3 * maglevel + (2 * level)
 	 
 	local min = (formula * (base - var)) / 100
 	local max = (formula * (base + var)) / 100
 	return -min, -max
 	end
 	 
setCombatCallBack(combat, CALLBACK_PARAM_LEVELMAGICVALUE, "onGetFormulaValues")
 	 
function onCastSpell(cid, var)
 	return doCombat(cid, combat, var)
end

testa @bpm91

Editado Julho 3, 2019 5 anos por ZoR (veja o histórico de edições)

@ZoR

editei testa dnv @bpm91

@ZoR nem aparece o erro, o ot só fechou hauehauehuahe

local combat = createCombatObject()
	setCombatParam(combat, COMBAT_PARAM_TYPE, COMBAT_PHYSICALDAMAGE)
	setCombatParam(combat, COMBAT_PARAM_EFFECT, CONST_ME_EXPLOSIONAREA)
	setCombatParam(combat, COMBAT_PARAM_DISTANCEEFFECT, CONST_ANI_FIRE)
	setCombatParam(combat, COMBAT_PARAM_BLOCKARMOR, true)
	setCombatArea(createCombatArea(AREA_CROSS1X1))
 	 
function onGetFormulaValues(cid, level, maglevel)
 	local base = 60
 	local var = 40
 	 
local formula = 3 * maglevel + (2 * level)
 	 
 	local min = (formula * (base - var)) / 100
 	local max = (formula * (base + var)) / 100
  return -min, -max
end
 	 
setCombatCallBack(combat, CALLBACK_PARAM_LEVELMAGICVALUE, onGetFormulaValues)
 	 
function onCastSpell(cid, var)
 	return doCombat(cid, combat, var)
end

@bpm91 você testou assim?

Editado Julho 3, 2019 5 anos por ZoR (veja o histórico de edições)