"Before Mom died, she told me I was going to beat this world," Carl says in the trailer for "The Walking Dead" Season 8B.

He didn't. But that doesn't mean his father and friends can't.

The trailer has a distinctly elegiac tone, appropriate since the midseason premiere will be the swan song for Carl (Chandler Riggs). Last we saw the one-eyed teen, he'd been bitten by a zombie and was waiting to die.

He's not the only one in peril, of course. The Alexandrians are hiding out in the sewers as Negan and the Saviors raze their homes.

The trailer shows the ragtag group making its way to Hilltop, where Maggie welcomes to make one last stand against Negan.

"All of us together will be their worst damn nightmare," growls Daryl (Norman Reedus).

"The Walking Dead" Season 8B premieres Sunday, Feb. 25 at 9 p.m. on AMC.