--created & coded by Lyris
--機夜光襲雷竜－ビッグバン・エオン
local s,id,o=GetID()
function s.initial_effect(c)
	c:EnableReviveLimit()
	aux.AddFusionProcFunRep(c,s.ffilter,2,true)
	local e0=Effect.CreateEffect(c)
	e0:SetDescription(1118)
	e0:SetCategory(CATEGORY_DESTROY+CATEGORY_SPECIAL_SUMMON)
	e0:SetType(EFFECT_TYPE_QUICK_O)
	e0:SetRange(LOCATION_MZONE)
	e0:SetCode(EVENT_FREE_CHAIN)
	e0:SetCountLimit(1)
	e0:SetHintTiming(0,TIMINGS_CHECK_MONSTER+TIMING_BATTLE_START)
	e0:SetTarget(s.destg)
	e0:SetOperation(s.desop)
	c:RegisterEffect(e0)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetCode(EFFECT_IMMUNE_EFFECT)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCondition(s.tgcon)
	e1:SetValue(s.etarget)
	c:RegisterEffect(e1)
	local e2=e1:Clone()
	e2:SetCode(EFFECT_CANNOT_BE_BATTLE_TARGET)
	e2:SetValue(aux.imval1)
	c:RegisterEffect(e2)
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(1131)
	e3:SetType(EFFECT_TYPE_QUICK_O)
	e3:SetCode(EVENT_CHAINING)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCountLimit(1,id)
	e3:SetCategory(CATEGORY_NEGATE+CATEGORY_TODECK)
	e3:SetProperty(EFFECT_FLAG_DAMAGE_CAL+EFFECT_FLAG_DAMAGE_STEP)
	e3:SetCondition(s.discon)
	e3:SetTarget(s.distg)
	e3:SetOperation(s.negop)
	c:RegisterEffect(e3)
end
function s.ffilter(c,fc,sub,mg,sg)
	return c:IsSetCard(0x7c4) and (not sg or sg:FilterCount(aux.TRUE,c)==0 or sg:IsExists(s.fcheck,1,c,c:GetAttack()))
end
function s.fcheck(c,atk)
	local dif=math.abs(c:GetAttack()-atk)
	return dif>0 and dif<=400
end
function s.desfilter(c,e,tp)
	return c:IsLevelBelow(5) and c:IsSetCard(0x7c4) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return Duel.GetMZoneCount(tp,c)>0 and Duel.GetTurnPlayer()~=tp and aux.bpcon()
		and Duel.IsExistingMatchingCard(s.desfilter,tp,LOCATION_HAND+LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,e:GetHandler(),1,0,0)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND+LOCATION_GRAVE)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and Duel.Destroy(c,REASON_EFFECT)~=0 then
		if Duel.GetAttacker() then Duel.NegateAttack()
		else
			local e1=Effect.CreateEffect(c)
			e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
			e1:SetCode(EVENT_ATTACK_ANNOUNCE)
			e1:SetReset(RESET_PHASE+PHASE_END)
			e1:SetCountLimit(1)
			e1:SetOperation(function() Duel.Hint(HINT_CARD,0,id) Duel.NegateAttack() end)
			Duel.RegisterEffect(e1,tp)
		end
		if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		Duel.SpecialSummon(Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.desfilter),tp,LOCATION_HAND+LOCATION_GRAVE,0,1,1,nil,e,tp),0,tp,tp,false,false,POS_FACEUP)
	end
end
function s.tgfilter(c)
	return c:IsFaceup() and c:IsSetCard(0x7c4) and c:IsLevelBelow(5)
end
function s.tgcon(e)
	return Duel.IsExistingMatchingCard(s.tgfilter,e:GetHandlerPlayer(),LOCATION_MZONE,0,1,nil)
end
function s.etarget(e,re)
	local g=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS)
	return g and g:IsContains(e:GetHandler())
end
function s.discon(e,tp,eg,ep,ev,re,r,rp)
	return ep==1-tp and not e:GetHandler():IsStatus(STATUS_BATTLE_DESTROYED) and Duel.IsChainNegatable(ev)
end
function s.filter(c)
	return c:IsSetCard(0x7c4) and c:IsType(TYPE_PENDULUM) and c:IsAbleToDeck()
end
function s.distg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_GRAVE,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_NEGATE,eg,1,0,0)
	local ct=1
	if re:GetHandler():IsAbleToDeck() and re:GetHandler():IsRelateToEffect(re) then
		ct=ct+1
	end
	Duel.SetOperationInfo(0,CATEGORY_TODECK,eg,ct,tp,LOCATION_GRAVE)
end
function s.negop(e,tp,eg,ep,ev,re,r,rp)
	local rc=re:GetHandler()
	local g=Duel.GetMatchingGroup(s.filter,tp,LOCATION_GRAVE,0,nil)
	if #g>0 and Duel.NegateActivation(ev) and rc:IsRelateToEffect(re) and (re:IsHasType(EFFECT_TYPE_ACTIVATE) or rc:IsAbleToDeck()) then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TODECK)
		local dg=g:Select(tp,1,1,nil)
		rc:CancelToGrave()
		Duel.SendtoDeck(eg+dg,nil,2,REASON_EFFECT)
	end
end