Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
2 Level 8 monsters Once per turn, during either player's turn: You can detach 1 Xyz Material from this card, then target 1 face-up monster on the field; this turn, its effects are negated, but it is unaffected by other card effects.
--神竜騎士フェルグラント
--Divine Dragon Knight Felgrand
local s,id=GetID()
function s.initial_effect(c)
	--Must be properly summoned before reviving
	c:EnableReviveLimit()
	--Xyz summon procedure
	Xyz.AddProcedure(c,nil,8,2)
	--Targeted monster has its effects negated, also is unaffected by other card effects
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetType(EFFECT_TYPE_QUICK_O)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1)
	e1:SetCost(Cost.DetachFromSelf(1))
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	e1:SetHintTiming(0,TIMINGS_CHECK_MONSTER|TIMING_END_PHASE)
	c:RegisterEffect(e1)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsFaceup() end
	if chk==0 then return Duel.IsExistingTarget(Card.IsFaceup,tp,LOCATION_MZONE,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	Duel.SelectTarget(tp,Card.IsFaceup,tp,LOCATION_MZONE,LOCATION_MZONE,1,1,nil)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local tc=Duel.GetFirstTarget()
	if tc:IsFaceup() and tc:IsRelateToEffect(e) then
		Duel.NegateRelatedChain(tc,RESET_TURN_SET)
		--Negate its effects
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e1:SetCode(EFFECT_DISABLE)
		e1:SetReset(RESETS_STANDARD_PHASE_END)
		tc:RegisterEffect(e1)
		local e2=Effect.CreateEffect(c)
		e2:SetType(EFFECT_TYPE_SINGLE)
		e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e2:SetCode(EFFECT_DISABLE_EFFECT)
		e2:SetValue(RESET_TURN_SET)
		e2:SetReset(RESETS_STANDARD_PHASE_END)
		tc:RegisterEffect(e2)
		--Unaffected by other card effects
		local e3=Effect.CreateEffect(c)
		e3:SetDescription(3100)
		e3:SetType(EFFECT_TYPE_SINGLE)
		e3:SetProperty(EFFECT_FLAG_SINGLE_RANGE+EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_CLIENT_HINT)
		e3:SetRange(LOCATION_MZONE)
		e3:SetCode(EFFECT_IMMUNE_EFFECT)
		e3:SetValue(s.efilter)
		e3:SetReset(RESETS_STANDARD_PHASE_END)
		tc:RegisterEffect(e3)
	end
end
function s.efilter(e,te)
	return te:GetOwner()~=e:GetOwner() and not e:GetHandler():IsStatus(STATUS_BATTLE_DESTROYED)
end