Eos Ritira
From Warhammer 40k - Lexicanum
Eos Ritira became the Ecclesiarch and a High Lord of Terra, following the Senatorum Imperialis edicts declared by Lord Commander Roboute Guilliman[1a]. She served in the Realm of Ultramar, before Guilliman chose her[1b] to replace Baldo Slyst and Ritira was seen as a reformer for the Imperium's new age.[1a]