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.
Evasive frontline commander. Uses drones as a force multiplier - drones CC enemies and provide utility while Operator fights with enhanced abilities. Debut in RoR2.
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.
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.
Snowy clifftop crossed by overgrown Solus wreckage. Maze of tunnels and elevation changes. Access Node can spawn here.
Desert mining outpost dominated by a massive Solus drill. Winding caves with loot veins. Loops as Iron Auroras at night.
A massive crater converted into a Solus fortress. Construction rigs and solar arrays. One of the two Stage 4 AC environments.
Cable-lined canyon with live conduits. AC path exclusive. Enter via Encrypted Portal from Stage 3. Alloy Hunter waits at the end.
Underground Solus facility housing the Solus Wing. AC path exclusive. Drifter is imprisoned here.
Hidden realm after defeating Solus Wing. CHEF decrypts the Encrypted Cerebellum here for the Solus Heart path.
True final hidden realm. Accessed only via Exposed Cerebellum. Solus Heart awaits.
New AC teleporter boss. Spawns guaranteed when the Access Node is activated on Stage 3.
Waits at the end of the locked path in Conduit Canyon. Must defeat to reach Solutional Haunt.
The main final boss of the AC DLC. 1,000 armor until Memory Modules are destroyed. Drops the Encrypted Cerebellum.
Hidden true final boss. Only accessible via the Cerebellum puzzle in Computational Exchange.
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.
Stage 3 - Find and activate the Access Node. Complete the teleporter event (Solus Amalgamator spawns). Enter the Encrypted Portal.
Conduit Canyon (Stage 4) - Clear to the end of the locked path. Defeat Alloy Hunter.
Solutional Haunt (Stage 5) - Fight Solus Wing. Collect Encrypted Cerebellum. Free Drifter here with Prison Matrix if not yet unlocked.
Computational Exchange (Hidden) - Give CHEF the Encrypted Cerebellum + a key item to get the Exposed Cerebellum. Offer it to SPEX.
Neural Sanctum (Hidden) - Fight Solus Heart, the true final boss of the AC DLC.
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.
7 new drone types plus a Remote Operation mechanic that lets dead players control an ally drone in multiplayer until revived.
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).
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.
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).
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.
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.
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.
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.
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.