Kabutsuchi



Augments

 * Trial 3424:
 * Trial 3425:  : Weakens attack +16
 * Trial 3426:
 * Trial 3427:  : Impairs evasion +16
 * Trial 3428:
 * Trial 3429:  : Lowers accuracy +16
 * Trial 3430:
 * Trial 3431:  : Lowers magic evasion +16
 * Trial 3432:
 * Trial 3433:  : Lowers magic attack +16
 * Trial 3434:
 * Trial 3435:  : Weakens defense +16
 * Trial 3436:
 * Trial 3437:  : Lowers magic defense +16
 * Trial 3438:
 * Trial 3439:  : Lowers magic accuracy +16

Trial of the Magians
Upgrade from Hyogugusari +3 via one of the following Great Katana Trials:
 * Trial 3424
 * Trial 3425
 * Trial 3426
 * Trial 3427
 * Trial 3428
 * Trial 3429
 * Trial 3430
 * Trial 3431
 * Trial 3432
 * Trial 3433
 * Trial 3434
 * Trial 3435
 * Trial 3436
 * Trial 3437
 * Trial 3438
 * Trial 3439

Derivations
頭椎の大刀 is an ancient sword form with a tubular or large bulb-shaped pommel. (Inoue Shop) 頭椎の大刀