You were walking through the lab, until later seeing something.. Or someone; walk by, to the next corridor down the hall The figure was extremely tall, and it looked something of a cat? Or some animal, just anthropomorphic

’ ‘ Survivors.. Survivors.. Hehehahah… What fools they are.. ‘ ‘

You heard the figure speak as it kept pacing around But, that THING saw you

’ ‘ What prey is foolish enough to stand in my way.. ‘ ‘

It muttered, grinning