Hero Ring is a Normal Trap Card.
Trap Cards are normally Set first and can be activated on a later turn, often in response to an action.
On the current TCG and OCG Forbidden & Limited lists tracked here, Hero Ring is Unlimited.
YGOPRODeck lists Hero Ring for these formats: Duel Links, Edison, Common Charity, Speed Duel, TCG, OCG, Master Duel.
A listed print of Hero Ring appears in Legendary Collection 2: The Duel Academy Years Mega Pack (LCGX-EN110) at Super Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Hero Ring is about $0.13 on Cardmarket (prices change frequently).
