Grunt
Walks up and swings its sword in a wide arc. Slow to recover.
Base health 34, rising with depth.
Hexer
Keeps its distance and fires aimed bolts down a red line. Close in fast.
Base health 24, rising with depth.
Stalker
Fast. Shows a short red line, then lunges along it. Step aside.
Base health 28, rising with depth.
Brute
Armored and heavy. Slams the ground around itself after a long windup.
Base health 90, rising with depth.
The Warden
Keeper of the Lock, every tenth depth. Slams, volleys and charges, and calls skeletons when hurt.
Base health 420, rising with depth.
Elites
From the Crypt onward some enemies are elites: bigger, armored, and tinted crimson so you spot them first.