선주 연맹

You can borrow a relevant unit from a friend for this achievement. You can run Difficulty 1 in Echo of War without spending stamina (after your 3 weekly runs). You can also run Forgotten Hall 1.

This achievement has no cultural references in the English and Chinese versions. It is likely specific to the game. A faction of Honkai Star Rail following the Aeon Lan, and it's path, the Hunt. - Credit: rzd