--created by Walrus, coded by Lyris, art from Shadowverse's "Ghoul"
local s,id=GetID()
function s.initial_effect(c)
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_GRAVE)
	e1:SetCountLimit(1,id)
	e1:SetCost(s.spcost)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_EVENT_PLAYER)
	e2:SetCode(EVENT_BE_MATERIAL)
	e2:SetCondition(s.mtcon)
	e2:SetOperation(s.mtop)
	c:RegisterEffect(e2)
end
function s.cfilter(c)
	return c:IsFaceup() and c:IsSetCard(0x106) and c:IsLevelAbove(2)
end
function s.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_MZONE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	local g=Duel.SelectMatchingCard(tp,s.cfilter,tp,LOCATION_MZONE,0,1,1,nil)
	Duel.HintSelection(g)
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_UPDATE_LEVEL)
	e1:SetValue(-1)
	e1:SetReset(RESET_EVENT+RESETS_STANDARD)
	g:GetFirst():RegisterEffect(e1,true)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and e:GetHandler():IsCanBeSpecialSummoned(e,0,tp,false,false) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,e:GetHandler(),1,0,0)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)>0 then
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_LEAVE_FIELD_REDIRECT)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e1:SetReset(RESET_EVENT+RESETS_REDIRECT)
		e1:SetValue(LOCATION_DECKBOT)
		c:RegisterEffect(e1,true)
	end
end
function s.mtcon(e,tp,eg,ep,ev,re,r,rp)
	return r==REASON_RITUAL and e:GetHandler():IsPreviousLocation(LOCATION_MZONE)
		and eg:IsExists(Card.IsSetCard,1,nil,0x106)
end
function s.mtop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local rc=eg:Filter(Card.IsSetCard,nil,0x106):GetFirst()
	if not rc then return end
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetRange(LOCATION_MZONE)
	e1:SetTargetRange(0,LOCATION_MZONE)
	e1:SetValue(function(ef,tc) return -100*Duel.GetMatchingGroup(aux.AND(Card.IsFaceup,Card.IsSetCard),ef:GetHandlerPlayer(),LOCATION_MZONE,0,nil,0x106):GetSum(Card.GetLevel) end)
	e1:SetReset(RESET_EVENT+RESETS_STANDARD)
	rc:RegisterEffect(e1,true)
	local e2=e1:Clone()
	e2:SetCode(EFFECT_UPDATE_DEFENSE)
	rc:RegisterEffect(e2,true)
	if not rc:IsType(TYPE_EFFECT) then
		local e3=Effect.CreateEffect(c)
		e3:SetType(EFFECT_TYPE_SINGLE)
		e3:SetCode(EFFECT_ADD_TYPE)
		e3:SetValue(TYPE_EFFECT)
		e3:SetReset(RESET_EVENT+RESETS_STANDARD)
		rc:RegisterEffect(e3,true)
	end
	rc:RegisterFlagEffect(0,RESET_EVENT+RESETS_STANDARD,EFFECT_FLAG_CLIENT_HINT,1,0,aux.Stringid(id,0))
end