You found what looks to be a Balaur research report. Show it to High Priest Jucleas.
Step 1. Talk with JucleasA Protector of Divinity in the Lyceum of Sanctum. The Empyrean Lords wanted to place a reliable person at the Lyceum. They appointed quiet and reticent Jucleas as the Protector of Divinity..
Step 2. Talk with CreusaA Balaur researcher in the Library of the Sages in Sanctum. She is inside the Secret Library on the second floor of the Temple of Knowledge..