Despite his weakened state, Grog confronts his uncle, Kevdak, for a fight to the death. The battle is intense, due to his uncle's Titanstone Knuckles, another Vestige of Divergence. Soon, the rest of Vox Machina arrive to join the fray.
Upon arriving at the location of the next Vestige of Divergence, Vox Machina must face the challenges of the mysterious sphinx, Kamaljiori - the mate of Osysa. But even if they can succeed, a new, unexpected threat lies waiting for them.
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.
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.
The Briarwoods' evil past connects with the present as Delilah reveals her pact with the Whispered One. In the bloody Whitestone streets, Vox Machina wages the fight of their lives against an undead horde. But just when all looks lost, the team gets help from an unexpected source.
Set upon retrieving a Vestige of Divergence hinted by the Sphinx, Vox Machina finds themselves at a lake. With the help of The Take, they uncover a temple filled with traps, enemies and a deadly sarcofage.
While preparing to face the dreaded black dragon Umbrasyl, Vox Machina teams up with Grog's Herd, Scanlan learns a shocking truth about his past, while Vax reconciles with his new relationship with the Matron of Ravens.
Vox Machina finds Whitestone's holy leader, Keeper Yennen, who tells them of a growing rebellion. The team realizes that to defeat the Briarwoods they will need the help of rebel leader, Archibald Desnay.
Vox Machina battles the vicious Professor Anders and his unique magical abilities, while Delilah Briarwood uses magic to summon a demonic army to rise against our heroes. Meanwhile, Pike searches for a way to reconnect with her deity, even if it means risking her life.