The Minogame's Protection legendary amulet in Assassin's Creed Shadows increases damage for empty Armor slots, so Yasuke is better off naked.

Yasuke is one of two playable characters in Assassin’s Creed Shadows. But unlike the other protagonist, Naoe — the stealthy shinobi who bears the iconic hidden blade — Yasuke is conspicuously absent during the first part of the game.