Boro

is an Inner from the organisation Kara.

Appearance
Boro is a tall, heavily-built man with a beard and moustache. He has a trio of tattoos on his face that appear to form the Roman numeral Ⅲ.

Ao Arc
Boro attended a meeting held by Jigen to discuss the urgent situation relating to the missing "vessel". As Jigen dispelled the genjutsu, he voiced that they must recover the vessel at all costs.