Challenge dungeons are areas in Grim Dawn that contain some of the most difficult content of the game, and are intended to provide the player with a means to test their skills, as well as additional end-game and farming options. Numerous side-areas fall into this category, as well as the special "rogue-like" dungeons.
At the pinnacle of challenge dungeons are "rogue-like" dungeons, named after the early predecessors to the modern action-RPG. Rogue-likes are characterized by random layouts and permanent death that made the experience intense, and final victory all the more satisfying. Unless playing a hardcore character, death is not permanent in Grim Dawn, but Crate have tried to capture the thrill of rogue-likes in these special challenge dungeons by sealing the door upon entering and disabling riftgates so that there is no way out except by death or reaching the end.
A crafted Skeleton Key is required to unlock the door to a rogue-like dungeon each time the player enters. These dungeons are populated by various traps and numerous unique enemy heroes and bosses. Layout is also partially randomized, so that the player may not be able to take the same way through as the previous time, and treasures may not appear in the same locations.
There are five different rogue-like dungeons for the player to explore, each with their own theme and monster faction.
Steps of Torment
The first challenge dungeon, the Steps of Torment, can be accessed in Act 2, with the entrance located in the Broken Hills. Populated by the Undead, this dungeon consists of 5 levels. Level 4 and 5 make up the rogue-like section.
Bastion of Chaos
Found at the end of Act 4, the Bastion of Chaos entrance located in the Necropolis Interior. Populated entirely by Chthonians, the dungeon has four levels, with levels 2 to 4 comprising the rogue-like section.
Tomb of the Heretic
The Tomb of the Heretic is accessed via the Lost Oasis in Act 7. It consists of three levels, with a skeleton key required to access the final two. The Paying Debts quest leads the player to the tomb, but is not required to access it.
|Blade Arc (Clean Sweep - Laceration) • Blitz (Blindside) • Cadence (Discord - Fighting Form - Deadly Momentum) • Forcewave (Tremor - Rending Force - Internal Trauma) • Overguard • War Cry (Terrify - Break Morale)|
|Decorated Soldier • Fighting Spirit • Markovian's Advantage • Menhir's Will • Military Conditioning • Scars of Battle • Shield Training • Veterancy • Zolhan's Technique|
|Counter Strike • Field Command (Squad Tactics) • Menhir's Bulwark • Oleron's Rage|
|Blackwater Cocktail (High Potency - Demon Fire - Agonizing Flames) • Canister Bomb (Concussive Bomb - Improved Casing) • Fire Strike (Explosive Strike - Searing Might - Searing Strike - Static Strike - Brimstone) • Flashbang (Searing Light) • Grenado (High Impact - Skyfire Grenado) - Shattering Blast • Mortar Trap (Heavy Ordnance - "The Big One") • Stun Jacks (Quick Jacks - Full Spread) • Thermite Mine (Hellfire Mine)|
|Blast Shield • Ulzuin's Chosen|
|Flamed Touched (Temper) • Vindicative Flame (Ulzuin's Wrath)|
|Blood of Dreeg (Aspect of the Guardian) • Blood Pox (Fevered Rage - Wasting - Black Death) • Curse of Frailty (Vulnerability) • Doom Bolt • Dreeg's Evil Eye (Blood Burst - Focused Gaze - Terrifying Gaze - Vile Eruption) • Sigil of Consumption (Destruction)|
|Bonds of Bysmiel (Manipulation) • Possession • Solael's Witchfire (Consecrated Blade - Second Rite)|
|Summon Familiar (Mend Flesh - Storm Spirit - Lightning Strike) • Summon Hellhound (Ember Claw - Hellfire - Infernal Breath)|
|Amarasta's Blade Burst (Lethal Assault) • Blade Barrier • Blade Trap (Devouring Blades) • Phantasmal Blades (Frenetic Throw - Heart Seeker - Nether Edge) • Pneumatic Burst (Breath of Belgothian - Shadow Dance - Elemental Awakening) • Ring of Steel (Ring of Frost - Circle of Slaughter) • Shadow Strike (Nidalla's Justifiable Ends - Nightfall)|
|Anatomy of Murder • Dual Blades (Belgothian's Shears - Hidden Hands - Amarasta's Quick Cut - Whirling Death - Execution) • Merciless Repertoire • Phantasmal Armor|
|Veil of Shadow (Night's Chill)|
|Albrecht's Aether Ray (Tainted Power - Disintegration) • Callidor's Tempest (Wrath of Agrivix - Inferno) • Devastation • Maiven's Sphere of Protection (Conversion) • Mirror of Ereoctes • Nullification • Olexra's Flash Freeze (Absolute Zero) • Panetti's Replicating Missile (Distortion - Supercharged - Proliferation) • Trozan's Sky Shard (Frozen Core - Shattered Star)|
|Arcane Will • Fabric of Reality • Inner Focus • Mental Alacrity|
|Iskandra's Elemental Exchange (Manifestation - Overload - Elemental Balance) • Reckless Power • Star Pact|
|Brute Force (Feral Hunger - Upheaval) • Devouring Swarm • Grasping Vines (Entangling Vines) • Primal Strike (Thunderous Strike - Torrent - Storm Surge) • Savagery (Might of the Bear - Tenacity of the Boar - Storm Touched)|
|Mogdrogen's Pact (Heart of the Wild - Oak Skin) • Primal Bond • Stormcaller's Pact|
|Conjure Primal Spirit • Storm Totem (Corrupted Storm) • Summon Briarthorn (Ground Slam - Emboldening Presence) • Wendigo Totem (Blood Pact) • Wind Devil (Raging Tempest - Maelstrom)|
|Flames of Ignaffar - (Tainted Flame - Intensify - Infernal Purge - Endless Flame) • Horn of Gandarr • Inquisitor Seal - (Null Field - Arcane Empowerment) • Rune of Hagarrad - (Biting Cold - Chillsurge) • Rune of Kalastor - (Ignition) • Storm Box of Elgoloth (Allagast's Arcane Net - Lightning Tether) • Word of Pain (Word of Agony - Death Sentence) • Word of Renewal - (Word of Arms - Vigor - Steel Resolve)|
|Artifact Handling • Bursting Round • Chilling Rounds • Deadly Aim • Ranged Expertise • Storm Spread|
|Aura of Censure • Aura of Conviction|
|Bone Harvest (Harvester of Death - Dread - Soul Harvest) • Call of the Grave • Drain Essence (Gravechill - Hungering Reach - Decomposition) • Ill Omen • Mark of Torment • Ravenous Earth (Decay - Foul Eruption) • Reap Spirit • Siphon Souls - (Sear Souls - Blood Boil)|
|Necrotic Edge • Reaping Strike|
|Harbinger of Souls • Master of Death • Spectral Binding (Spectral Wrath)|
|Raise Skeletons (Undead Legion - Will of the Crypt) • Reap Spirit • Summon Blight Fiend (Unstable Anomaly - Rotting Fumes - Blight Burst)|
|Aegis of Menhir (Avenging Shield - Aegis of Thorns - Reprisal) • Ascension (Clarity of Purpose) • Eye of Reckoning (Soulfire) • Judgment (Crushing Verdict - Heart of Wrath) • Righteous Fervor (Dreeg's Reproach - Consecration - Retribution) • Vire's Might (Volcanic Might - Volcanic Stride - Tectonic Shift)|
|Resilience • Safeguard • Shattering Smash • Smite|
|Divine Mandate • Path of the Three • Presence of Virtue (Haven - Rebuke)|
|Summon Guardian of Empyrion (Scion of Dreeg - Celestial Presence)|
|Weapons • Axes • Maces • Swords • Two-handed Melee • Pistols • Two-handed Ranged • Daggers • Scepters • Shields • Off-Hands|
Armor • Head Armor • Shoulder Armor • Chest Armor • Hand Armor • Leg Armor • Foot Armor
Accessories • Amulets • Rings • Medals • Belts
Unique Items • Sets • Monster Infrequents
Relics • Components • Augments • Blueprints • Recipes • Materials • Consumables
|Aetherial • Aether Corruption • Arachnid • Beast • Beastkin • Chthonic • Eldritch|
Human • Insectoid • Riftspawn • Undead • Heroes • Bosses • Pets
|Factions • Bounties|
|The Black Legion • Devil's Crossing • Homestead • Rovers • The Outcast|
Kymon's Chosen • Order of Death's Vigil • Aetherials • Beasts • Chthonians • Cronley's Gang • Arkovian Undead