|-||Dealing a Critical Hit from behind inflicts Breach, dealing 50% Physical DMG per second for 3s. Duration resets every time it is triggered. Physical DMG increases by 20% when attacking a Breached enemy.|
Signature Weapon belonging to Watanabe: Nightblade.
Target Weapon Research Banner: All 6★ weapons are available for an 80% chance on the 30th pull. Two other "off-banner" weapons share its pool, and it is possible to pull one of those instead of the targeted weapon. Available permanently.