Buy Risk of Rain 2: Hallowed Concepts as a Steam key at Gamesplanet.com

Heed the Concepts.
One must withstand suffering to learn true balance.
Delve deeper into the dark, cult-like world of N'kuhana in Risk of Rain 2: Hallowed Concepts.
Fight through haunting unexplored regions of Petrichor V, endure harrowing Trials, face horrific new enemies, and uncover powers never before possible in Risk of Rain 2.
Bring your friends on the adventure! Only one player is required to own Hallowed Concepts to enable the monsters, levels, and items to appear in-game for the whole lobby.
Players without the expansion will be unable to select the new survivors or permanently unlock new items, logbooks, or other content.

New Survivors: Acolyte and Enforcer
Acolyte dances across the battlefield, toying with her enemies and bargaining for more power with her own life force.
Combine close range glaive attacks with ranged strikes that chip away at an enemy's soul.
Fight well, and Ascend.

Enforcer holds the line or drives it forward with dynamic, tactical movement.
Create cover as a defensive vanguard.
Or dive straight into the heart of the action and decimate your enemies where they stand.

New Bosses, New Trials, and New Challenges
Endure the pain of the Winnowing of Survival.
Hunt your quarry to master the Winnowing of Predation.
Race against time and for your soul in the Winnowing of Mortality.

Endure Hexes
Discover and endure Hexes in exchange for Hallowed Items.

Find and Collect N'tormat Pages
Unlock the secrets of the new curio: the N'tormat.
Collect its pages to acquire powerful abilities, but at a cost.

And know this, acolyte: Hallowed is the balance of Death.