--地縛神 Chacu Challhua
function c69931927.initial_effect(c)
	--only 1 can exists
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_CANNOT_SUMMON)
	e1:SetCondition(c69931927.excon)
	c:RegisterEffect(e1)
	local e2=e1:Clone()
	e2:SetCode(EFFECT_CANNOT_FLIP_SUMMON)
	c:RegisterEffect(e2)
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e3:SetCode(EFFECT_SPSUMMON_CONDITION)
	e3:SetValue(c69931927.splimit)
	c:RegisterEffect(e3)
	local e4=Effect.CreateEffect(c)
	e4:SetType(EFFECT_TYPE_SINGLE)
	e4:SetCode(EFFECT_SELF_DESTROY)
	e4:SetCondition(c69931927.sdcon)
	c:RegisterEffect(e4)
	--battle target
	local e5=Effect.CreateEffect(c)
	e5:SetType(EFFECT_TYPE_SINGLE)
	e5:SetCode(EFFECT_CANNOT_BE_BATTLE_TARGET)
	e5:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e5:SetRange(LOCATION_MZONE)
	e5:SetValue(1)
	c:RegisterEffect(e5)
	--direct atk
	local e6=Effect.CreateEffect(c)
	e6:SetType(EFFECT_TYPE_SINGLE)
	e6:SetCode(EFFECT_DIRECT_ATTACK)
	c:RegisterEffect(e6)
	--damage
	local e7=Effect.CreateEffect(c)
	e7:SetDescription(aux.Stringid(69931927,0))
	e7:SetCategory(CATEGORY_DAMAGE)
	e7:SetType(EFFECT_TYPE_IGNITION)
	e7:SetRange(LOCATION_MZONE)
	e7:SetCountLimit(1)
	e7:SetCost(c69931927.damcost)
	e7:SetTarget(c69931927.damtg)
	e7:SetOperation(c69931927.damop)
	c:RegisterEffect(e7)
	--bp
	local e8=Effect.CreateEffect(c)
	e8:SetType(EFFECT_TYPE_FIELD)
	e8:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e8:SetCode(EFFECT_CANNOT_BP)
	e8:SetRange(LOCATION_MZONE)
	e8:SetTargetRange(0,1)
	e8:SetCondition(c69931927.bpcon)
	c:RegisterEffect(e8)
end
function c69931927.exfilter(c,fid)
	return c:IsFaceup() and c:IsSetCard(0x21) and (fid==nil or c:GetFieldID()<fid)
end
function c69931927.excon(e)
	return Duel.IsExistingMatchingCard(c69931927.exfilter,0,LOCATION_MZONE,LOCATION_MZONE,1,nil)
end
function c69931927.splimit(e,se,sp,st,spos,tgp)
	if bit.band(spos,POS_FACEDOWN)~=0 then return true end
	return not Duel.IsExistingMatchingCard(c69931927.exfilter,0,LOCATION_MZONE,LOCATION_MZONE,1,nil)
end
function c69931927.sdcon(e)
	local c=e:GetHandler()
	if c:IsStatus(STATUS_BATTLE_DESTROYED) or c:IsHasEffect(67987302) then return false end
	local f1=Duel.GetFieldCard(0,LOCATION_SZONE,5)
	local f2=Duel.GetFieldCard(1,LOCATION_SZONE,5)
	return ((f1==nil or not f1:IsFaceup()) and (f2==nil or not f2:IsFaceup()))
		or Duel.IsExistingMatchingCard(c69931927.exfilter,0,LOCATION_MZONE,LOCATION_MZONE,1,nil,c:GetFieldID())
end
function c69931927.damcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():GetAttackAnnouncedCount()==0 end
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_CANNOT_ATTACK)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_OATH)
	e1:SetReset(RESET_EVENT+0x1fe0000+RESET_PHASE+PHASE_END)
	e:GetHandler():RegisterEffect(e1)
end
function c69931927.damtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	local dam=e:GetHandler():GetDefence()/2
	Duel.SetTargetPlayer(1-tp)
	Duel.SetTargetParam(dam)
	Duel.SetOperationInfo(0,CATEGORY_DAMAGE,nil,0,1-tp,dam)
end
function c69931927.damop(e,tp,eg,ep,ev,re,r,rp)
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	Duel.Damage(p,d,REASON_EFFECT)
end
function c69931927.bpcon(e)
	return e:GetHandler():IsPosition(POS_FACEUP_DEFENCE)
end
