Esika alone knows how to distill the essence of the World Tree into the Cosmos Elixir, a magical substance which grants the Skoti god-family immortality.

Revitalize

Foundations Jumpstart

"Knight Kathryn closed her eyes, bracing herself for the end. When she opened them again, she stood triumphant over her foe."
—Thadus the Healer, *Memoirs*

Strixhaven Mystical Archive

Kaldheim

"A potion is no substitute for a skilled surgeon, but it will hold your bits in."
—Torricks, battlefield medic