Risk of Rain 2 Alloyed Collective

Alloyed Collective is the third Risk of Rain 2 DLC, released November 18, 2025. It adds Operator and Drifter as new survivors, 7 stages including a full hidden final boss path, 18 items, 7 drones, a new multiplayer mechanic, and the Artifact of Prestige. The secret path to the true final boss, Solus Heart, requires the Encrypted Portal and Cerebellum puzzle.

Survivors
2
Stages
7+1
Items
18
Drones
7
Enemies
6
Bosses
4
Artifact
1
Released
Nov 18 2025

New Survivors

Operator Risk of Rain 2
OperatorDefault Unlock
Ranged / Drone Commander • HP: 90 (+27/lvl) • DMG: 12 (+2.4/lvl)

Evasive frontline commander. Uses drones as a force multiplier - drones CC enemies and provide utility while Operator fights with enhanced abilities. Debut in RoR2.

Drifter Risk of Rain 2
DrifterUnlockable
Melee / Resource Manager • HP: 170 (+52/lvl) • DMG: 12 (+2.4/lvl)

Resourceful survivor who manages Junk to power her skills. Returning from Risk of Rain Returns with new abilities including Repossess - bag a monster or interactable and throw it.

New Stages

7 stages total plus the Iron Auroras night variant. Conduit Canyon, Solutional Haunt, Computational Exchange, and Neural Sanctum are exclusive to the AC DLC hidden path.

Pretender's Precipice Risk of Rain 2
Pretender's Precipice
Stage 2 • Den of Debris

Snowy clifftop crossed by overgrown Solus wreckage. Maze of tunnels and elevation changes. Access Node can spawn here.

Iron Alluvium Risk of Rain 2
Iron Alluvium
Stage 3 • Abandoned Operation

Desert mining outpost dominated by a massive Solus drill. Winding caves with loot veins. Loops as Iron Auroras at night.

Repurposed Crater Risk of Rain 2
Repurposed Crater
Stage 4 • Constructed Polestar

A massive crater converted into a Solus fortress. Construction rigs and solar arrays. One of the two Stage 4 AC environments.

Conduit Canyon Risk of Rain 2
Conduit CanyonAC Path Only
Stage 4 • Logistics Vein

Cable-lined canyon with live conduits. AC path exclusive. Enter via Encrypted Portal from Stage 3. Alloy Hunter waits at the end.

Solutional Haunt Risk of Rain 2
Solutional HauntAC Path Only
Stage 5 • Terminal Installation

Underground Solus facility housing the Solus Wing. AC path exclusive. Drifter is imprisoned here.

Computational Exchange Risk of Rain 2
Computational ExchangeAC Path Only
Hidden • Virtual Cache

Hidden realm after defeating Solus Wing. CHEF decrypts the Encrypted Cerebellum here for the Solus Heart path.

Neural Sanctum Risk of Rain 2
Neural SanctumAC Path Only
Hidden • Mind of the Machine

True final hidden realm. Accessed only via Exposed Cerebellum. Solus Heart awaits.

New Bosses

Solus Amalgamator
Teleporter Boss

New AC teleporter boss. Spawns guaranteed when the Access Node is activated on Stage 3.

Alloy Hunter
AC Path Stage 4 Boss

Waits at the end of the locked path in Conduit Canyon. Must defeat to reach Solutional Haunt.

Solus Wing
Solus Wing
AC Final Boss - Solutional Haunt

The main final boss of the AC DLC. 1,000 armor until Memory Modules are destroyed. Drops the Encrypted Cerebellum.

Solus Heart
Solus Heart
True Final Boss - Neural Sanctum

Hidden true final boss. Only accessible via the Cerebellum puzzle in Computational Exchange.

The Encrypted Portal Path

The AC DLC's main story runs through the Encrypted Portal - a 5-stage hidden route unlocked by activating an Access Node on Stage 3. See the Encrypted Portal guide linked in the More section below for details.

1

Stage 3 - Find and activate the Access Node. Complete the teleporter event (Solus Amalgamator spawns). Enter the Encrypted Portal.

2

Conduit Canyon (Stage 4) - Clear to the end of the locked path. Defeat Alloy Hunter.

3

Solutional Haunt (Stage 5) - Fight Solus Wing. Collect Encrypted Cerebellum. Free Drifter here with Prison Matrix if not yet unlocked.

4

Computational Exchange (Hidden) - Give CHEF the Encrypted Cerebellum + a key item to get the Exposed Cerebellum. Offer it to SPEX.

5

Neural Sanctum (Hidden) - Fight Solus Heart, the true final boss of the AC DLC.

Access Node is Optional

You can play through all AC DLC stages via the normal teleporter without activating an Access Node. The Encrypted Portal path is only needed to reach Solus Heart. Solutional Haunt is your Stage 5 regardless.

New Drones

7 new drone types plus a Remote Operation mechanic that lets dead players control an ally drone in multiplayer until revived.

Bombardment Drone
Paints ground targets and turns the area into a lingering blast zone
Cleanup Drone
Converts fallen enemies into gold and health to sustain runs
Freeze Drone
Locks down enemy groups with chilling crowd control
Jailer Drone
Periodically roots priority targets in place
Barrier Drone
Grants periodic shielding to stabilize hectic fights
Transport Drone
Lifts non-boss enemies into the air and drops them to their death
Junk Drone
Gold generation and Junk resource utility for Drifter synergies

Notable New Items

18 new items total. Key items for the Cerebellum puzzle: Prison Matrix, Sentry Key, Encrusted Key, Empathy Cores, Orphaned Core (any one works alongside the Encrypted Cerebellum).

Hiker's Boots
Hiker's Boots Common
Striking enemies from higher elevation grants +1% crit chance and crit damage per stack, up to 10x. Lasts 10 seconds.
Box of Dynamite
Box of Dynamite Common
While in combat, drones drop dynamite sticks that deal 240% dmg (+85%/stack) and stun. Recharges after 10 seconds.
Faraday Spurs
Faraday Spurs Uncommon
Moving builds charge for up to +160% speed and +200% jump height. Jumping at 25%+ charge triggers an electric blast (400% dmg).
Orphaned Core
Orphaned Core Uncommon
Summons a friendly Solus unit that launches at enemies for 400% dmg. Inherits your movement items. Pet to cleanse negative effects. 15s recharge.
Empathy Cores
Empathy Cores SotV Uncommon
Every 30 seconds, summons two Solus Probes that gain +100% dmg per ally on your team.
Sentry Key
Sentry Key AC DLC Uncommon
+15% movement speed. Can be placed in a Sentry Terminal or used as a Cerebellum puzzle key item for CHEF.
Rusted Key
Rusted Key Base Uncommon
Spawns a Rusty Lockbox on each stage (80%/20% item quality). Also a valid key for the Cerebellum puzzle with CHEF.
Prison Matrix
Prison Matrix AC DLC Uncommon
+50% armor. Can be placed in a Matrix Terminal. Required to unlock Drifter from her stasis prison in Solutional Haunt.

New Artifact

Artifact of Prestige

Guarantees at least one Shrine of the Mountain per stage and makes its effects permanent. Requires the AC DLC. Code: ▲●● ■●▲ ●●■ - found on Iron Alluvium. See the Trial of Prestige guide for the full unlock process.

Frequently Asked Questions

What is the Risk of Rain 2 Alloyed Collective DLC?

Alloyed Collective is the third major DLC for Risk of Rain 2, released November 18, 2025. It adds 2 new survivors (Operator and Drifter), 7 new stages, 18 new items, 7 new drones, 6 new standard enemies, 2 new teleporter bosses, 1 new final boss (Solus Wing), 1 hidden true final boss (Solus Heart), and 1 new artifact (Artifact of Prestige).

How do I unlock Drifter in Risk of Rain 2?

Drifter is imprisoned in a stasis prison in Solutional Haunt on the AC DLC path. To free her, you need a Prison Matrix item. Reach Solutional Haunt by activating an Access Node on Stage 3, entering the Encrypted Portal, clearing Conduit Canyon, and arriving at Solutional Haunt. Use the Prison Matrix on her prison to unlock her.

Do I need to own Alloyed Collective for everyone in multiplayer?

No. Only one player in the lobby needs to own Alloyed Collective for monsters, stages, and items to appear for the whole group. However, players who do not own it cannot permanently unlock the new survivors, items, or logbooks.

What is the Encrypted Portal in Alloyed Collective?

The Encrypted Portal opens the AC DLC's secret path to Solus Heart. Activate an Access Node on any Stage 3, complete the teleporter event, and the Encrypted Portal spawns. It leads through Conduit Canyon, Solutional Haunt, and the Computational Exchange to Neural Sanctum.

How do I unlock the Artifact of Prestige?

The Artifact of Prestige code (▲●● ■●▲ ●●■) is found on Iron Alluvium. Enter it at the Compound Generator on Sky Meadow or Helminth Hatchery, then complete the Trial of Prestige in Bulwark's Ambry. The trial spawns bosses with each Artifact Key used, scaling in difficulty.

What does Operator do in Risk of Rain 2?

Operator is an evasive frontline commander who uses drones as a force multiplier. He can commandeer and control drones, use them to CC enemies, and leverage drone abilities to enhance his own combat. He is unlocked by default with the AC DLC.

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