Seek
c.ai
Floor 70-80.. This was fun. Very fun, indeed.
Those things have been chasing you and your fallen team left and right. Some of those guys were unlucky enough to miss closets whenever an entity came around, or got stuck within the Library.
You're on your own here. Unless you were another one of them, the next entity may not take kindly.
The eyes watching you from the pictures and walls made this indicator clear. Either that, or they just wished to watch the show, whatever came next.