Dal'Galar Research Tower key

[DevilSauron]

Hi, I've encountered a stupid problem during the quest "Angel". I got to the Research Tower, but the door leading to it are locked and I can't find the key anywhere . I thought that stupid Clairvoyance spell would be useful but no. Can you please point me to the key location?

[DevilSauron]

Omg, I found it, I was just completely blind. It's

[+]

on the table right next to the sacrifical altar...