Heroes of Hammerwatch: Moon Temple

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

Moon Temple, the third campaign to Heroes of Hammerwatch. The temple, an ancient cold and chilly place of worship, holds a powerful orb that foul invaders are trying to steal for their own sinister purpose. Your heroes will side with some mercenaries sent out by the king to hinder the agents from getting their hands on the precious artifact.
Introducing Mercenary Mode, a new twist on the permadeath mode. Recruit warriors already trained for battle, that can select and mix skills from all available classes. Playing Mercenary Mode will earn you Legacy Points that you can spend on all new flashy cosmetic effects.

Features:

A brand new campaign with 3 new acts and bosses.
Mercenary Mode: A challenging permadeath mode with a unique set of rules.
Mercenaries: Get creative and build a class with your favorite skills.
Legacy Shop: Deck out your heroes with new and exciting cosmetics.
Several new exclusive items, companions, enemies and mechanics.