Arc 7The Final Seal
Bai Haorui, Dean, and Sam faced Heaven’s and Hell’s schemes as Sam’s demon-blood addiction worsened and the seals broke. Sam killed Lilith under Ruby’s manipulation, releasing Lucifer, while Bai Haorui arrived badly wounded as the Apocalypse began.
- Sam killed Alastair after Dean broke the First Seal, and Bai Haorui helped expose Uriel’s betrayal and support Dean.
- Bai Haorui joined Dean and Sam in an altered office life, then helped them recover their memories and learn that Chuck was writing their lives.
- Dean, Sam, and Bai Haorui survived Lilith’s attack, then investigated the deaths of Adam Milligan and A Xiu’s victims.
- Jimmy Novak’s family was targeted by demons, and Castiel returned to Jimmy while Sam’s growing demon-blood addiction alarmed Dean and Bai Haorui.
- Dean locked Sam in Bobby’s panic room to endure withdrawal, while Bai Haorui investigated disasters linked to the breaking seals and learned that angels intended the Apocalypse.
- Sam escaped to join Ruby, who guided him toward Lilith as Dean learned that Sam would break the final seal by killing her.
- Bai Haorui fought through demons and angels while Sam killed Lilith, broke the final seal, and killed Ruby after she confessed her betrayal.
- Lucifer emerged from the fissure as Dean and Bobby arrived, followed by the badly wounded Bai Haorui, and Lucifer vanished after recognizing him as a threat.