--Cursed Shield
local s,id=GetID()
function s.initial_effect(c)
	aux.AddEquipProcedure(c)
	--Atk up
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_EQUIP)
	e2:SetCode(EFFECT_UPDATE_ATTACK)
	e2:SetValue(-500)
	c:RegisterEffect(e2)
	--damage lp
	local e4=Effect.CreateEffect(c)
	e4:SetDescription(aux.Stringid(id,0))
	e4:SetCategory(CATEGORY_DAMAGE)
	e4:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e4:SetCode(EVENT_LEAVE_FIELD)
	e4:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e4:SetCondition(s.damcon)
	e4:SetTarget(s.damtg)
	e4:SetOperation(s.damop)
	c:RegisterEffect(e4)
end
function s.damcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsReason(REASON_DESTROY)
end
function s.damtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetTargetPlayer(1-tp)
	Duel.SetTargetParam(800)
	Duel.SetOperationInfo(0,CATEGORY_DAMAGE,nil,0,1-tp,800)
end
function s.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