Who is Keren and Ylsa from Arrows of the Queen and what is their importance? Arrows_of_the_Queen English & Literature Keren and Ylsa | Arrows of the Queen

Both Heralds, these women have found love and companionship with each other. Although alternative lifestyles are not common among the Heralds, the bond between Keren and Ylsa is accepted and appreciated at the Collegium. Keren is an instructor who always stays at the Collegium and Ylsa is sent out on assignments. When Ylsa is killed, Keren almost dies of grief, but Sherrill, who has loved Keren from afar, comes to her side and saves her.