Games like Killmist Enclave
Games like Killmist Enclave include Hades, Hades II, Path of Exile 2, DARK SOULS™: REMASTERED, and Mortal Sin. We matched them by the tags players give Killmist Enclave on Steam (Action, Action Roguelike, Dungeon Crawler, Perma Death, and Dark Fantasy): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Action · Hack and Slash

Hades II
Shared: Action · Action Roguelike · Hack and Slash

Path of Exile 2
Shared: Hack and Slash · Action · Dark Fantasy

DARK SOULS™: REMASTERED
Shared: Action · Dark Fantasy · Fantasy

Mortal Sin
Shared: Action Roguelike · Dungeon Crawler · Action

Grim Dawn
Shared: Hack and Slash · Dark Fantasy · Dungeon Crawler

Black Myth: Wukong
Shared: Action · Dark Fantasy · Souls-like

Death Must Die
Shared: Action Roguelike · Action · Hack and Slash

Wo Long: Fallen Dynasty
Shared: Action · Dark Fantasy · Hack and Slash

Wolcen: Lords of Mayhem
Shared: Hack and Slash · Action · Dark Fantasy

Halls of Torment
Shared: Action Roguelike · Action · Dark Fantasy

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Dungeon Crawler · Indie

Darkest Dungeon®
Shared: Dungeon Crawler · Dark Fantasy · Perma Death

ELDEN RING
Shared: Dark Fantasy · Action · Souls-like

Cinderia
Shared: Action Roguelike · Action · Hack and Slash

Path of Exile
Shared: Dark Fantasy · Hack and Slash · Dungeon Crawler

Slasher's Keep
Shared: Action Roguelike · Dungeon Crawler · Action

Heroes of Hammerwatch II
Shared: Action Roguelike · Action · Dungeon Crawler

VOIN
Shared: Action · Action Roguelike · Hack and Slash

Garden of Witches
Shared: Action Roguelike · Action · Hack and Slash

DARK SOULS™ II: Scholar of the First Sin
Shared: Action · Dark Fantasy · Souls-like

Shape of Dreams
Shared: Action Roguelike · Action · Hack and Slash

Middle-earth: Shadow of War
Shared: Action · Fantasy · RPG

UnderMine
Shared: Action Roguelike · Dungeon Crawler · Action