function onCastSpell(creature, var)
	local COOLDOWN = {
		[-1] = 360;
		[00] = 360;
		[01] = 300;
		[02] = 240;
		[03] = 180;
		[04] = 120;
	}
	-- MAESTRIA: REGEN
	if creature:getStorageValue(_SYSTEM.MAESTRIA[01]) == 01 then
		if creature:getStorageValue(_SYSTEM.MAESTRIA[03]) > 0 then
			creature:getPosition():sendMagicEffect(CONST_ME_POFF)
			return true
		end
		
		local WaitTime = COOLDOWN[creature:getStorageValue(_SYSTEM.MAESTRIA[02])]
		creature:setStorageValue(_SYSTEM.MAESTRIA[04], 60)
		creature:setStorageValue(_SYSTEM.MAESTRIA[03], WaitTime + 3)
		
		creature:getPosition():sendMagicEffect(CONST_ME_MAGIC_GREEN)
		creature:sendCancelMessage("@SpellCooldown 06 " ..WaitTime)
		
		local regenCondition = Condition(CONDITION_REGENERATION, CONDITIONID_DEFAULT)
		local RegenRandom = (math.random(05, 10))
		local HPGain = RegenRandom * (creature:getBaseMaxHealth() / 100)
		
		regenCondition:setTicks(01 * 60 * 1000)
		regenCondition:setParameter(CONDITION_PARAM_BUFF_SPELL, true)
		regenCondition:setParameter(CONDITION_PARAM_HEALTHTICKS, 1000)
		regenCondition:setParameter(CONDITION_PARAM_HEALTHGAIN, HPGain)
		creature:addCondition(regenCondition)
	
	-- MAESTRIA: TANKER
	elseif creature:getStorageValue(_SYSTEM.MAESTRIA[01]) == 02 then
		if creature:getStorageValue(_SYSTEM.MAESTRIA[03]) > 0 then
			creature:getPosition():sendMagicEffect(CONST_ME_POFF)
			return true
		end
		
		local WaitTime = COOLDOWN[creature:getStorageValue(_SYSTEM.MAESTRIA[02])]
		creature:setStorageValue(_SYSTEM.MAESTRIA[04], 10)
		creature:setStorageValue(_SYSTEM.MAESTRIA[03], WaitTime + 3)
		
		creature:getPosition():sendMagicEffect(CONST_ME_MAGIC_GREEN)
		creature:sendCancelMessage("@SpellCooldown 06 " ..WaitTime)
	
	-- MAESTRIA: SHOOTER
	elseif creature:getStorageValue(_SYSTEM.MAESTRIA[01]) == 03 then
		if creature:getStorageValue(_SYSTEM.MAESTRIA[03]) > 0 then
			creature:getPosition():sendMagicEffect(CONST_ME_POFF)
			return true
		end
		
		local WaitTime = COOLDOWN[creature:getStorageValue(_SYSTEM.MAESTRIA[02])]
		creature:setStorageValue(_SYSTEM.MAESTRIA[04], 10)
		creature:setStorageValue(_SYSTEM.MAESTRIA[03], WaitTime + 3)
		
		creature:getPosition():sendMagicEffect(CONST_ME_MAGIC_GREEN)
		creature:sendCancelMessage("@SpellCooldown 06 " ..WaitTime)
	
	-- MAESTRIA: VITAL
	elseif creature:getStorageValue(_SYSTEM.MAESTRIA[01]) == 04 then
		if creature:getStorageValue(_SYSTEM.MAESTRIA[03]) > 0 then
			creature:getPosition():sendMagicEffect(CONST_ME_POFF)
			return true
		end
		
		local WaitTime = COOLDOWN[creature:getStorageValue(_SYSTEM.MAESTRIA[02])]
		creature:setStorageValue(_SYSTEM.MAESTRIA[04], 10)
		creature:setStorageValue(_SYSTEM.MAESTRIA[03], WaitTime + 3)
		
		creature:getPosition():sendMagicEffect(CONST_ME_MAGIC_GREEN)
		creature:sendCancelMessage("@SpellCooldown 06 " ..WaitTime)
		
		local gainedHealth = creature:getBaseMaxHealth()
		local condition = Condition(CONDITION_ATTRIBUTES)
		condition:setParameter(CONDITION_PARAM_STAT_MAXHITPOINTS, gainedHealth)
		condition:setParameter(CONDITION_PARAM_BUFF_SPELL, true)
		condition:setParameter(CONDITION_PARAM_TICKS, 10 * 1000)
		creature:addCondition(condition)
		
		doTargetCombat(0, creature, COMBAT_HEALING, gainedHealth * 10, gainedHealth * 10)
	
	-- MAESTRIA: LUCKY
	elseif creature:getStorageValue(_SYSTEM.MAESTRIA[01]) == 05 then
		if creature:getStorageValue(_SYSTEM.MAESTRIA[03]) > 0 then
			creature:getPosition():sendMagicEffect(CONST_ME_POFF)
			return true
		end
		
		local WaitTime = COOLDOWN[creature:getStorageValue(_SYSTEM.MAESTRIA[02])]
		creature:setStorageValue(_SYSTEM.MAESTRIA[04], 60)
		creature:setStorageValue(_SYSTEM.MAESTRIA[03], WaitTime + 3)
		
		creature:getPosition():sendMagicEffect(CONST_ME_MAGIC_GREEN)
		creature:sendCancelMessage("@SpellCooldown 06 " ..WaitTime)
	
	else
		creature:getPosition():sendMagicEffect(CONST_ME_POFF)
		return true
	end
	
	-- DESAFIO
	if creature:getStorageValue(_DESAFIOS[00].DESAFIO_ID) > 00 then
		onPlayerDesafios(creature, 30, 01)
	end
    return true
end