Kenta can harden either certain or whole parts of his body to withstand any attack or blunt force trauma. As his threads can literally become several times stronger than steel while retaining immense flexibility, his movements are kept fluid and sharp while rendering him invulnerable to most weapons, high altitude falls and punishing blows. Grudge Defence works in tandem with his healing factor to prevent weapons from penetrating past his skin, allowing him to tank hits from sharp weapons.