When your "Ruin Dragon" family Spirit is targeted by an opposing effect, by paying one cost to summon this card from your Hand, during this turn, that Spirit can't be destroyed or returned to the Hand/Deck by opposing effects.
[Brave condition: Ruin Dragon & Cost 3 or more]
[During Brave] (When Attacks) Discard the top card of the opposing deck. Destroy an opposing Spirit that shares a family with the discarded card.
Ruling: When your "Ruin Dragon" Spirits are to be returned to bottom of deck by the Burst effect of The DarkStones MachineBeastDeity Fenrik, this Brave in hand can be summoned before cards are returned. If this Brave isn't chosen to remain, after it's summoned, it will be returned to the bottom of deck.