For Osstaer:
You listen at the doors. You hear nothing, and after inspecting the door carefully, you see no sign of traps or other dangers. With this considered, I'll assume you want to open the door. Upon opening the door, you see a rectangular room on the other side, that has the look of a wizard's study or workshop. The room is illuminated by another pair of stone braziers, with cyan-coloured flames. One is in the north-west corner of the room, and the other is in the south-east corner.
On the east side of the room, you see a large wooden table, cluttered with alchemist's equipment, such as beakers, flasks, alembics, spirit lamps, a mortar and pestle, and so on.
On the north wall, you see two large wooden shelves, containing a huge array of dried herbs, seeds, salts, spices, resins, unguents, ointments, tonics, tinctures, pills, powders, potions, and other things of that nature. Between the two shelves, there is a wooden door on the north wall.
At the south end of the room, you see a plush divan with an ornate brass hookah in front of it. Behind the divan, there is a wooden door on the south wall.
The silver door you have entered from is on the west side of the room.
For Sardis:
Since you said that Raphael wanted to imbibe the goblet's contents, that's what I've put through. I won't be doing any retcons, but if you'd like to roll up two more prisoners to replace the dead characters, you may do so. If anyone else who has already lost a character would like to roll up a replacement, then they may do so as well.
For everyone:
What do you want to do from here?