PSA: How to quickly identify if an Abyssal Depths has a Lich in it

"

You can also check if there's a Lich by the soundtrack used on the Abyssal Depth. More guitars, deep sounds and pointy noises = there's a Lich.

(and also, you'll see black swirlies on the area next to the portal to the Lich encounter)

"

Another thing is the path to the boss. If it's more straight and narrow with few or no dead ends it contains a lich. It also tends to be shorter.

Random and wacky doesn't contain a lich. Lots of dead ends or loops is a strong sign of the result.

"

In addition to what others have said, lich layouts tend to have no Hoards or almost none of them and never have collapsing walls.

"

If I get to the end and there’s a lich, it contains a lich