Heroes of Hammerwatch: Pyramid of Prophecy

Summary pulled directly from Steam - Some text may only be applicable to Steam platform

Pyramid of Prophecy, the first expansion to Heroes of Hammerwatch, lets you explore and experience several completely new areas in the world of Hammerwatch - far out in the desert, deep down the pyramid itself, or take your best hero to the arena and see how long you can last!

Tons of new enemies, traps and puzzles, gameplay mechanics, items, environments, music and much more!

Features:

A brand new campaign with 3 new acts and bosses.
The new Gladiator class.
New upgrades for the town and characters.
Several new items, enemies and mechanics.
A new survival arena game mode.