Atlas

Summary

"Eh! 'Little brother,' what!" Wei WuXian says, mock-outraged. "I'm thirty-five!" (Sort of. He was born thirty-five years ago, anyway.) "You must be, what, twenty-five tops?""Nooo," Xie Lian says, smiling. "I'm eight hundred years old.""You don't look a day over four hundred," Wei WuXian says. "Serio

Author's summary from Archive of Our Own.