Vox Machina tells Sovereign Uriel of the monstrous culprit behind the devastating village attacks, and manage to track the creature back to its hidden lair. For the safety of Emon, Vox Machina must rise to the occasion and go face-to-face with a beast that is seemingly impossible to kill.

Vox Machina is invited to the palace for a formal dinner, where Percy encounters murderous figures from his past: the mysterious Lord Sylas and Lady Delilah Briarwood. While gathering more information about the Briarwoods, a battle ensues. In the aftermath, the team discovers Percy’s tortured past has left something dark brewing inside of him.

Vox Machina journeys to Whitestone to confront the Briarwoods and help Percy reclaim his family home. As they travel, Scanlan studies Delilah Briarwood’s mysterious spell book to uncover clues. But the team’s first road trip is interrupted when the Briarwoods send horrific monsters to retrieve their missing book.

Vox Machina has stopped the Briarwoods’ evil ritual, but at a heavy cost. As they flee the Ziggurat to save one of their own, Percy is eager to take revenge on their prisoner, Delilah Briarwood. When Vex implores him to let go of his vengeance, Percy must confront the darkness within himself.

Vox Machina's victorious return home to Emon is cut short by the arrival of ancient dragons, the Chroma Conclave. Despite Vox Machina's best efforts, the dragons lay waste to the city, forcing the team to find a way to escape.

Despite his weakened state, Grog confronts his uncle, Kevdak, in a fight to the death. The battle is intense, with Grog taking a beating at the hands of his uncle’s Titanstone Knuckles, another Vestige of Divergence. As Grog is about to fall, the rest of Vox Machina arrives, just in time to join the fray.

As the black dragon Umbrasyl escapes their attempted ambush, Vox Machina pursues him to Gatshadow Mountain. In the fearsome acid-filled tunnels of Umbrasyl’s lair, Vox Machina must make a final stand against the evil dragon.