--巨大戦艦 ビッグ・コアMk－Ⅱ
function c75937826.initial_effect(c)
	c:EnableCounterPermit(0x1f)
	--spsummon success
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(75937826,0))
	e1:SetCategory(CATEGORY_COUNTER)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e1:SetCode(EVENT_SPSUMMON_SUCCESS)
	e1:SetTarget(c75937826.addct)
	e1:SetOperation(c75937826.addc)
	c:RegisterEffect(e1)
	--indes
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
	e2:SetValue(1)
	c:RegisterEffect(e2)
	--remove counter
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(75937826,1))
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e3:SetCode(EVENT_DAMAGE_STEP_END)
	e3:SetCondition(c75937826.rctcon)
	e3:SetOperation(c75937826.rctop)
	c:RegisterEffect(e3)
	--destroy
	local e4=Effect.CreateEffect(c)
	e4:SetDescription(aux.Stringid(75937826,2))
	e4:SetCategory(CATEGORY_DESTROY)
	e4:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e4:SetCode(EVENT_DAMAGE_STEP_END)
	e4:SetCondition(c75937826.descon)
	e4:SetTarget(c75937826.destg)
	e4:SetOperation(c75937826.desop)
	c:RegisterEffect(e4)
	--summon with no tribute
	local e5=Effect.CreateEffect(c)
	e5:SetDescription(aux.Stringid(75937826,3))
	e5:SetProperty(EFFECT_FLAG_UNCOPYABLE)
	e5:SetType(EFFECT_TYPE_SINGLE)
	e5:SetCode(EFFECT_SUMMON_PROC)
	e5:SetCondition(c75937826.ntcon)
	c:RegisterEffect(e5)
end
function c75937826.addct(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_COUNTER,nil,3,0,0x1f)
end
function c75937826.addc(e,tp,eg,ep,ev,re,r,rp)
	if e:GetHandler():IsRelateToEffect(e) then
		e:GetHandler():AddCounter(0x1f,3)
	end
end
function c75937826.rctcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():GetCounter(0x1f)~=0
end
function c75937826.rctop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsFaceup() and c:IsRelateToEffect(e) then
		c:RemoveCounter(tp,0x1f,1,REASON_EFFECT)
	end
end
function c75937826.descon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():GetCounter(0x1f)==0
end
function c75937826.destg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,e:GetHandler(),1,0,0)
end
function c75937826.desop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsFaceup() and c:IsRelateToEffect(e) then
		Duel.Destroy(c,REASON_EFFECT)
	end
end
function c75937826.ntcon(e,c,minc)
	if c==nil then return true end
	return minc==0 and c:GetLevel()>4 and Duel.GetLocationCount(c:GetControler(),LOCATION_MZONE)>0
		and Duel.GetFieldGroupCount(c:GetControler(),LOCATION_MZONE,0)==0
end
