Powers & Abilities Did Koshiro reached the pinnacle of swordsmanship? (Not battle dome)

[Stacks]

Did Koshiro reached it?

 

[Cruxroux]

Who

 

[Stacks]

Who

Zoro sensei

 

[Midnight Delight]

Most likely if we see him fighting, he will be Scabbard level

 

[FredericRoger]

Don't be surprised If koshiro turns out to be a rocks member alongside kureha or hiriluk