You can only Special Summon "Brotherhood of the Fire Fist - Eagle(s)" once per turn. You can activate "Fire Fist" monsters' effects without sending "Fire Fist" or "Fire Formation" card(s) from your hand or field to the GY. You can target 1 "Fire Formation" Spell/Trap you control or in your GY; return it to the hand, then send 1 "Fire Fist" monster from your Deck to the GY. You can only use this effect of "Brotherhood of the Fire Fist - Eagle" once per turn.
