The Celsians are wandering teachers known for imparting knowledge as they travel. They occasionally visit the settlement of Ulmira’s Step, a town founded by giants and later joined by dwarves and humans, which is largely self-sufficient and rarely receives outsiders. The Celsians are a faction dedicated to the preservation of knowledge and artifacts, operating from the Celsian Athenaeum in the west. Their mission encompasses safeguarding the balance of magic and life, which they believe is threatened by practices contrary to their values.
While the Celsians are recognized as part of the community, their presence is primarily as educators, lacking significant political or social influence within Ulmira's Step. Their specific teachings and interactions with the townsfolk are not detailed, as the focus remains on the broader dynamics of the settlement. Notable members include Tamber, a Celsian Itinerant with specialized knowledge, and Ygva, who was expelled for the practice of "depletion," which involves draining the essence of entities to enhance magical effects. The Celsians regard Ygva's methods as fundamentally opposed to their beliefs.
Tensions arose during the events at Verrow's Span when details of Tamber's past with Ygva emerged amid a crisis involving refugees from Dolm's Break, who reported Umbral beasts. This urgency brought the Celsians' attention to the remnants of the Askavir, a giant bird linked to Tlellic, the god of predation. Sylvie, a party member, discovered that the Askavir's heart emanated a form of Splendor magic believed to be divine. Ygva's attempt to claim this heart put her in direct conflict with the Celsians, forcing them to reevaluate their approach to the crisis involving the refugees and the Askavir's remains.