name: Dark
card_text: Each time your opponent takes damage from a card effect, except "Dark Room of Nightmare", inflict 300 damage to your opponent.
lua: local s, id, o = GetID()
  function s.initial_effect(c)
  	--Activate
  	local e1 = Effect.CreateEffect(c)
  	e1:SetType(EFFECT_TYPE_ACTIVATE)
  	e1:SetCode(EVENT_FREE_CHAIN)
  	c:RegisterEffect(e1)
  	--damage
  	local e2 = Effect.CreateEffect(c)
  	e2:SetDescription(aux.Stringid(id, 0))
  	e2:SetCategory(CATEGORY_DAMAGE)
  	e2:SetType(EFFECT_TYPE_FIELD + EFFECT_TYPE_TRIGGER_F)
  	e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
  	e2:SetCode(EVENT_DAMAGE)
  	e2:SetRange(LOCATION_SZONE)
  	e2:SetCondition(s.con)
  	e2:SetTarget(s.tg)
  	e2:SetOperation(s.op)
  	c:RegisterEffect(e2)
  end
  function s.con(e, tp, eg, ep, ev, re, r, rp)
  	return ep ~= tp and bit.band(r, REASON_BATTLE) == 0 and re and not re:GetHandler():IsCode(id)
  end
  function s.tg(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return true
  	end
  	Duel.SetTargetPlayer(1 - tp)
  	Duel.SetTargetParam(300)
  	Duel.SetOperationInfo(0, CATEGORY_DAMAGE, nil, 0, 1 - tp, 300)
  end
  function s.op(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
  
  
source_text: Dark
  Each time your opponent takes damage from a card effect, except "Dark Room of Nightmare", inflict 300 damage to your opponent.
target_text: -- Dark
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--Activate
  	local e1 = Effect.CreateEffect(c)
  	e1:SetType(EFFECT_TYPE_ACTIVATE)
  	e1:SetCode(EVENT_FREE_CHAIN)
  	c:RegisterEffect(e1)
  	--damage
  	local e2 = Effect.CreateEffect(c)
  	e2:SetDescription(aux.Stringid(id, 0))
  	e2:SetCategory(CATEGORY_DAMAGE)
  	e2:SetType(EFFECT_TYPE_FIELD + EFFECT_TYPE_TRIGGER_F)
  	e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
  	e2:SetCode(EVENT_DAMAGE)
  	e2:SetRange(LOCATION_SZONE)
  	e2:SetCondition(s.con)
  	e2:SetTarget(s.tg)
  	e2:SetOperation(s.op)
  	c:RegisterEffect(e2)
  end
  function s.con(e, tp, eg, ep, ev, re, r, rp)
  	return ep ~= tp and bit.band(r, REASON_BATTLE) == 0 and re and not re:GetHandler():IsCode(id)
  end
  function s.tg(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return true
  	end
  	Duel.SetTargetPlayer(1 - tp)
  	Duel.SetTargetParam(300)
  	Duel.SetOperationInfo(0, CATEGORY_DAMAGE, nil, 0, 1 - tp, 300)
  end
  function s.op(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
  
  