Unlock and enter the office. Once you close the door, the guards won’t be able to see you. From here, interact with the Clasped Book on the bookshelf near the door to open a portal to the Vault. Make sure to grab theBasement Chest Keyon the table! How To Find The Annals Of Ka...
If youkept the Necromancy of Thay,you can also find the Tharchiate Codex to unlock the book’s final secrets. Inside the Karsus Vault, grab the Annals of Karsus from the shelf. You can then exit the Vault through the portal and fast travel to leave Sorcerous Sundries without being seen. ...