Effect
If your opponent controls a monster and you control no monsters, you can Special Summon this card (from your hand). During each End Phase: You take 500 damage. This card must be face-up on the field to activate and to resolve this effect.
The monster effect "If your opponent controls a monster and you control no monsters, you can Special Summon this card (from your hand)" is an effect that is not classified as an Ignition Effect, Trigger Effect, Quick Effect, or Continuous Effect.
A Chain Link is not built when performing a Special Summon via the monster effect "You can Special Summon this card (from your hand)."
The monster effect "As long as this card remains face-up on the field, you take 500 damage during each End Phase" is a Trigger Effect. (This effect does not target.)
The monster effect "You take 500 damage during each End Phase" is an effect that must be activated once every time your End Phase or your opponent's End Phase occurs.
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