- Rerolls 1s on damage.
- May strike supernatural creatures as if made of jade.
After leaving the temple complex, a bolt of lighting came down out of the clear blue sky and struck the ground in front of the magistrates. Accompanied by a rolling peal of thunder that sounded like deep, rumbling laughter. Left behind was a blackened divot with the undamaged tsuba in the center.
When attached to a katana or wakizashi the blade gains an almost impossibly keen edge, often sending up a shower of sparks when swords clash. In addition, when striking a supernatural creature such as an oni lightning arcs down the blade and injures the creature as if the weapon were made of jade.