Arriving in the IslesEdit
At some unknown point he was granted entry into the Shivering Isles, the Daedric Realm of Sheogorath. For his part, Felas was confined to the town of Passwall, which sat within The Fringe, an enclosed area designed to prepare its occupants for entry into the Isles proper. Exactly how long Felas was waiting there is unknown; in 4E 1, he and Shelden, the self-proclaimed "Mayor of Passwall," greeted the Hero of Kvatch when he entered the Isles. Felas and Shelden explained that the Hero could only pass into the Isles either by obtaining Sheogorath's blessing, or else killing the Gatekeeper who guarded the Gates of Madness. The Hero eventually succeeded in killing the Gatekeeper and was granted access into the Isles.
Role in GreymarchEdit
A short time later, the Greymarch officially began, and the Daedric Forces of Order began their assault on the Shivering Isles, starting with the Fringe. Knights of Order overran Passwall, and both Shelden and Felas were taken prisoner in the Spire, Order's base of operations. In order to save himself, Felas swore allegiance to Jyggalag and became a Priest of Order. It is highly feasible that he was instrumental in planning Order's numerous attacks on the Fringe, which were met by the Force of Madness, now led by the Hero. After Order's main offensive failed in the battle and the Spire was destroyed, Order was forced to retreat temporarily.
Shortly thereafter, Felas led an assault on the Gates of Madness which, to his surprise and detriment, were guarded by a new Gatekeeper, reconstructed with the help of the Hero. In the fight that followed, Felas and his Knights were killed.
A glitch can occur in this scene in which Felas in hostile to the Knights of Order rather than the Hero and the Gatekeeper, despite wearing the robes of a Priest of Order.