Yep, that's the guy.
Although I still don't understand what he is supposed to be, it's definitely an event, but the fact that you can still pause and save during his "attack" makes it more f'd up
Viewing post in attack of the dark entity
*Спойлер не читать* так ещё и Shift что-бы бежать и эмбиент серьёзно так атмосферы дало) кстати на постах видел что у кого-то после вылета день откатывается./* Do not read the spoiler * so also Shift to run and ambient seriously gave so much atmosphere) by the way, I saw on the posts that someone's day rolls back after departure.