On my side i have completed it, and was pretty average, compared to Torchlight I & II / Van Hell Sing / Grim Dawn, completed (max level = 50), on around 6-8 hours, really repetitive, get it for cheap on humble choice on my side (for like 2€).

I adjusted the score slightly, as I do think “Van Helsing” is a better game but not by much. The maps in “Chaosbane” are more or less the same per chapter so it does get a bit repetitive.
I also have to say this isn’t really my genre of games, so I mostly played it because the Steam reviews sum-up called it an easy game, I generally shy away from games that is too complicated.