The party leaves the market and heads back to the portal.

Center prefers to leave his loot in his room at the Black Sail. Since he can teleport himself at will, this is not difficult, as he simply teleports there and rejoins the group shortly. Before entering the gate he casts Magic Circle Against Chaos, and after entering the tunnel, he resumes his normal (large) form.

As before, the wind in the tunnel is quite annoying, howling loudly and blowing grit into your faces.

You know that the cavern that leads to the now looted library is about 100' upwind of the portal ...