The glamorous world of Eridanos hides a dark secret in The Outer Worlds’ final DLC, Murder on Eridanos. This comprehensive walkthrough navigates the intricate investigation of Halcyon Helen’s murder, guiding you through every twist and turn of the main quest and key side quests. Uncover the truth behind the superstar actress’s demise and navigate the morally complex choices that await.
Starting the Murder on Eridanos DLC
Before embarking on this thrilling adventure, ensure you’ve downloaded the Murder on Eridanos DLC from your platform’s storefront (PlayStation Store, Steam, etc.). A player level of 30 is recommended.
To initiate the DLC in-game, return to the Unreliable. After completing Radio Free Monarch, departing the planet, speaking with Phineas, and landing at Byzantium, ADA will mention an aetherwave broadcast. Engage with her about the drama to trigger the opening cutscene.
Alt: ADA on the Unreliable, ready to start the Murder on Eridanos DLC.
Following the cutscene, converse with Administrator Ludovico of Rizzo’s and learn the tragic news of Halcyon Helen’s death. After discussions with Ludovico, Sedrick Kincannon, and Constable Keene, interact with the star map and set course for Eridanos in the top-left corner.
Arriving on Eridanos: The Last Role of Halcyon Helen
Upon landing, speak with Bellhop Norville to gather information. Proceed to the Grand Colonial Hotel.
Alt: The Grand Colonial Hotel on Eridanos, where the Murder on Eridanos DLC begins.
Navigate through the check-in lobby and garden, entering the hotel’s grand ballroom. Here, you’ll encounter the crime scene.
Crime Scene in the BallroomAlt: The crime scene in the Grand Colonial Hotel ballroom, where Halcyon Helen was found dead.
Converse with Constable Keene and Dr. Goodnight, receiving the Discrepancy Amplifier, a tool to detect clues. Equip the amplifier and examine the crime scene, including footprints leading to the purpleberry orchards. Analyze the broken bottle by Helen’s hand for an additional clue.
Alt: The player using the Discrepancy Amplifier to investigate clues in the Murder on Eridanos DLC.
A Momentary Taste of Purpleberry: Investigating the Penthouse
Speak with Concierge Halston in the lobby to check into the penthouse suite and glean gossip about Helen, Black Hole Bertie, and Spencer Woolrich.
Alt: Concierge Halston at the Grand Colonial Hotel, providing information in the Murder on Eridanos DLC.
In the penthouse, use the terminal to contact Ludovico and gain access to the purpleberry orchards. Locate a helmet enhancing the Discrepancy Amplifier in the dining room. In the bedroom, discover Helen’s missing handgun, the Needler, and an audio log from Bertie. Use the desk terminal for an additional objective concerning the Prophet of Profitability. Proceed to the pool area.
The Pool Where Horror Dwelt: Uncovering Clues
Question pool guard Dolph McAllister about the strangely green pool and numerous guards. Analyze the water with the amplifier, revealing contamination from the purpleberry orchard. Examine the pool machine for a message from Irion.
Alt: The mysteriously green pool at the Grand Colonial Hotel in the Murder on Eridanos DLC.
Strange Disappearance of a Watchman: A Side Quest
Speak with Lillie Vargas and agree to locate the missing Evan O’Connell. Cross the bridge towards the loading dock, defeating outlaws. Inside a nearby hut, an audio log directs you to room A2 in the hotel’s lower level.
Alt: Lillie Vargas, requesting assistance in finding a missing watchman in the Murder on Eridanos DLC.
Faithful to thee, Rizzo’s: Orchard Investigations
Converse with Dewitt Hathaway in the orchard office, uncovering the side quest “Faithful to thee, Rizzo’s.” Analyze footprints matching Helen’s in the orchard. Speak with Jacob, learning about Dr. Blossom and Waspquitos. Follow Helen’s footprints towards the hive, eventually finding a picnic blanket and tossball stick suggesting a meeting between Helen and Bertie. Retrieve the RR and DD keycard and proceed to the RR and DD building.
RR and DD: A Dangerous Encounter
Speak with Dr. Blossom, agreeing to clear the lab. Use stealth to reach the utility office and release a non-lethal gas. Upon returning, discover Dr. Blossom’s body and stolen data. Analyze the vent, suggesting a dextrous culprit. Report your findings to Ludovico at the penthouse. As you leave, navigate a Waspquito trap, discovering a SLUG multi-tool. Investigate the sabotaged saplings and fried console in the nursery storage, uncovering Anna Summers’s involvement. Resolve the “Faithful to thee, Rizzo’s” quest with Dewitt. Return to the hotel.
The Man Who Chafed: Investigating Spencer Woolrich
Visit room A2, finding Evan’s body. Confront the intruder in the penthouse bedroom. Report to Ludovico, receiving instructions to speak with the coroner. On the second floor, examine Dr. Goodnight’s terminal for the autopsy report, leading you to Spencer Woolrich.
Dr. Goodnight in the Medical CenterAlt: Dr. Goodnight in the Medical Center, providing information on Halcyon Helen’s death.
Bribe or persuade the concierge to access the VIP floor. Investigate clues in the VIP area, including a hungover cow, Black Hole Bertie’s room, and the acting robot Burbage 3001. In Woolrich’s room, discover a spiked vodka bottle. Interrogate Woolrich, uncovering his accidental poisoning of Helen and his collaboration with the Prophet of Profitability. Speak to Chef Anwar in the employee area, learning about his negligence during meal preparation. Leave the hotel.
The Pool Where Horror Dwelt Part 2: Solving the Green Pool Mystery
Investigate the Sun Parlour, deciphering the pool cleaner recipe (1-5-4). Speak with Donovan Matthas on the hotel balcony and choose to repair the pool, obtaining the SLUG storage key. Proceed to the Constabulary for kitchen footage. Inside, discover Constable Keene’s body and a Spectrum Orange bottle. Retrieve the security terminal keycard and acquire the footage.
Lord of Blight: Investigating Sublight
Travel to Piraeus Spaceport and find Sedrick Kincannon in the harbormaster’s office. Discover a listening device and a fingerprint on the plasma weapon display case. Interrogate Sedrick, uncovering his dealings with Sublight and his suspicions about Helen. Locate the listening device receiver and retrieve the bug. Enter the SLUG Storage and Processing Facility, retrieving a SLUG worker ID cartridge. Analyze the Sprat of unusual size and speak with Ella Tinsley about missing cargo. Use the ID badge to access the restricted area and analyze the hacked automech, learning about shipment 6875. Report your findings to Sedrick. Return to the penthouse and report to Ludovico.
The Prince of Tossball: Meeting the Mascot
Meet the mascot at the Pilothouse, discovering his body and Helen’s missing Needler. Scan a nearby bottle, pointing to moonshine brewing at the SLUG port.
The Two Rogues: A Lucrative Side Quest
Assist Dash Whitlock with retrieving smuggled cargo, gaining access to the black market and a substantial reward.
Continuing the Investigation: Bertie and the Prophet
Interrogate Bertie, learning about his alibi and his encounter with Orick West. Speak with Orick, confirming Bertie’s story. Report to Ludovico. Travel to the Wilderness Reserve and speak with Mildred Lennox. Encounter Isabella Essary and Lawrence McLaughlin. Proceed to the Prophet’s residence in the abandoned Rizzo’s bunker. Analyze herbs in the tent and interrogate the Prophet, uncovering her accidental poisoning of Helen. Follow the Prophet’s trail, finding evidence contradicting her confession. Return to the Prophet and decide her fate. Report to Ludovico.
An Unfinished Accusation: A Surprising Twist
Review the evidence in the penthouse. Contact Ludovico.
Naked Hunch: The Distillery Showdown
Travel to the distillery.
Ending 1 – The Bird Drug: Siding with Helen
Choose to help Helen. Gather ingredients for the anti-parasitic: recruit Sedrick, acquire sprat essence, and collect an egg pod. Disperse the anti-parasitic at the Pilothouse. Confront Ludovico at the distillery, obtaining his access card, armor, and unique weapon. Speak with Harwell and exit. Say goodbye to Helen and Sedrick. Return to the Unreliable and speak with ADA.
Ending 2 – The Story of Two Disasters: Siding with Ludovico
Choose to help Ludovico. Defuse the bomb in the control room. Travel to the Pilothouse and disperse the larvae. Deal with SLUG and stabilize the reactor. Fight Helen and acquire the cure formula and the Needler. Meet Ludovico at the distillery, obtaining his access card, armor, and unique weapon. Return to the Unreliable and speak with ADA.
This walkthrough provides a comprehensive guide to navigating the Murder on Eridanos DLC. Remember to explore, engage with the diverse characters, and make choices that shape your unique experience in this final chapter of The Outer Worlds.
