Dual Avatar - Empowered Kon-Gyo

"Dual Avatar Fists - Yuhi" + 2 "Dual Avatar" monsters If this card battles, your opponent cannot activate cards or effects until the end of the Damage Step. If this card attacks, after damage calculation: You can return 1 monster your opponent controls to the hand. When your opponent's Spell/Trap Card or effect is activated that targets this card on the field, while you control 2 or more Fusion Monsters (Quick Effect): You can negate the activation. You can only use this effect of "Dual Avatar - Empowered Kon-Gyo" once per turn.