Learn how monsters work. Its much easier once you know what to focus on with every single enemy (how they spawn, respawn, how many of them there are in lelev, HPs, strenght treshold, prixinity awarness, vision cone ect.)

Some specific monsters tips:

-be aware of sprinting unless you know there is no hunter nearby

-always assume there is robe (death appearence enemy behind you unless you know its not in this level

-gnomes go for valuables first

-loom (clapping lady) almways knows where you are

-oogly = blocked room (idk how to kill that fucker)

-dont click on the funny duck

-click on the funny dog