Yenlara

 was an sorceress who led the wood elves after the Divergence. has not appeared on the show.

Background
Surviving elves after the Calamity found shelter in the Feywild, returning generations later under the guidance of Yenlara they ventured westward to the Verdant Expanse, an untamed forest born from the surging, post-Calamity energies left untouched by the Betrayer  Gods’ evil. Here they started building their new home, Syngorn