Maker's wind, Daarci, I said I'd wait, but it's not just a disagreement! Uldred set abominations loose! One was in my mentor's robe! If you make it here, something in the "the spot" may help you out. No point in hiding it from the senior mages now, and don't worry about Denri's usual fee for moving his bed. He's dead.
Once this codex entry has been obtained, return to the apprentice dormitory closest to the entrance. Denri's Bed can now be interacted with to obtain a stash of potions and an Injury Kit.