Keitonotachi +1

==Statistics==
===Augments===
*Trial 2138: 
*Trial 2139: 
==Other Uses==
==How to Obtain==
===Trial of the Magians===
Upgrade from Keitonotachi via one of the following Great Katana Trials:
*Trial 2138
*Trial 2139
==Derivations==
圭頭の大刀 refers to a sword of the late ancient period. On the hilt would be a decoration in the shape of stony mountains (Kotobank)
ja:圭頭の大刀改