Thinker

He is trapped in the dungeon under the Black Iron Castle by a faction leader named Kibaou.

About Thinker

He is later rescued by Kirito and Asuna in during the Morning Dew Girl arc events after he was thrown into a hidden dungeon.

Role in Sword Art Online

Thinker appears in Sword Art Online as a supporting character. Explore the full cast, episodes and guides on the Sword Art Online page.