--created by Pina, coded by Lyris
local s,id=GetID()
function s.initial_effect(c)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_GRAVE+LOCATION_HAND)
	e1:SetCountLimit(1,id+EFFECT_COUNT_CODE_OATH)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetCondition(s.spcon)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
	e1:SetCondition(s.indcon)
	e1:SetValue(1)
	c:RegisterEffect(e1)
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_BE_BATTLE_TARGET)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCondition(s.cbcon)
	e2:SetTarget(s.cbtg)
	e2:SetOperation(s.cbop)
	c:RegisterEffect(e2)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_CONTINUOUS+EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_DESTROY_REPLACE)
	e2:SetRange(LOCATION_MZONE)
	e2:SetTarget(s.reptg)
	e2:SetValue(s.repval)
	e2:SetOperation(s.repop)
	c:RegisterEffect(e2)
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(Card.IsDefensePos,tp,LOCATION_MZONE,0,1,nil)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0 and c:IsCanBeSpecialSummoned(e,0,tp,false,false) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,c,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.SpecialSummonStep(c,0,tp,tp,false,false,POS_FACEUP) 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_REMOVED)
		c:RegisterEffect(e1,true)
	end
	Duel.SpecialSummonComplete()
end
function s.indcon(e)
	return Duel.IsExistingMatchingCard(aux.AND(Card.IsDefensePos,Card.IsRace),e:GetHandlerPlayer(),LOCATION_MZONE,0,1,e:GetHandler(),RACE_ROCK)
end
function s.cbcon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local bt=eg:GetFirst()
	return r~=REASON_REPLACE and c~=bt and bt:IsFaceup() and bt:IsDefensePos() and bt:IsRace(RACE_ROCK) and bt:IsControler(c:GetControler())
end
function s.cbtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetAttacker():GetAttackableTarget():IsContains(e:GetHandler()) end
end
function s.cbop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and not Duel.GetAttacker():IsImmuneToEffect(e) then
		Duel.ChangeAttackTarget(c)
	end
end
function s.filter(c,tp)
	return c:IsFaceup() and c:IsControler(tp) and c:IsLocation(LOCATION_ONFIELD) and c:IsRace(RACE_ROCK)
		and c:IsReason(REASON_EFFECT) and not c:IsReason(REASON_REPLACE)
end
function s.reptg(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return eg:IsExists(s.filter,1,nil,tp)
		and c:IsDestructable(e) and not c:IsStatus(STATUS_DESTROY_CONFIRMED) end
	return Duel.SelectEffectYesNo(tp,c,96)
end
function s.repval(e,c)
	return s.filter(c,e:GetHandlerPlayer())
end
function s.repop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Destroy(e:GetHandler(),REASON_EFFECT+REASON_REPLACE)
end