Gessho

Battle NPC
Gessho fights alongside the party for Aht Urgan Mission 15: The Black Coffin Job: Ninja

Gessho's Moves: Weaponskills
 * Uses Various Katana Weaponskills

Abilities? [or is this another Weaponskill?]
 * Seems to have a "Teleporting" ability, in which he rapidly moves around the zone.

Magic
 * He spends most of his time casting Elemental and Enfeebling Ninjutsu.

He can be the target of any spells that can be cast outside of the party (eg. Haste).