Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
"Aleister the Invoker" + 1 WATER monster Cannot be destroyed by your opponent's card effects. Your opponent cannot target this card with card effects. This card can attack while in face-up Defense Position. If it does, apply its ATK for damage calculation.
--召喚獣コキュートス
--Invoked Cocytus
local s,id=GetID()
function s.initial_effect(c)
	--fusion material
	c:EnableReviveLimit()
	Fusion.AddProcMix(c,true,true,86120751,aux.FilterBoolFunctionEx(Card.IsAttribute,ATTRIBUTE_WATER))
	--cannot target
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCode(EFFECT_CANNOT_BE_EFFECT_TARGET)
	e1:SetValue(aux.tgoval)
	c:RegisterEffect(e1)
	--indes
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_INDESTRUCTABLE_EFFECT)
	e2:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e2:SetRange(LOCATION_MZONE)
	e2:SetValue(s.indval)
	c:RegisterEffect(e2)
	--defense attack
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetCode(EFFECT_DEFENSE_ATTACK)
	c:RegisterEffect(e3)
end
function s.indval(e,re,tp)
	return tp~=e:GetHandlerPlayer()
end