One of the Elders, St. Topman Warcury, went a step beyond. With his powerful Fengxi Yokai form, he not only tanked a hit from Gear 5, but simply punching the Elder caused Luffy's arm to hurt while ...

Luffy's strength has been constantly growing in One Piece, and Wano was the most significant arc for him. Luffy gained the power of Gear 5 in Wano, and this happened during his fight against Kaido.