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Heart of Deimos Quest Walkthrough (2026): Every Stage, the Necramech Fight, and What It Unlocks
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Heart of Deimos Quest Walkthrough (2026): Every Stage, the Necramech Fight, and What It Unlocks
Seven stages, one Necramech fight, and the door to Deimos
Last Updated on September 11, 2026
The short answer
Heart of Deimos is a short solo quest that cannot fail: clear the Earth to Mars Junction, land on the Cambion Drift, meet the Entrati family, fish three specimens for Daughter, follow Son down to the Heart, and finish it piloting a Voidrig Necramech against the rogue one. It pays the Xaku blueprint and the full Voidrig blueprint set, and opens the Entrati syndicate, the Necralisk bounties, Necramechs and the road to the Helminth.
Reviewed September 10, 2026, current through Update 43.5. Iceblade of Narin lands September 23 and is not reflected yet; this page is re-checked after every major patch.
| Stage | What you do |
|---|---|
| 1. Cambion Drift | Land, meet Loid and Otak, destroy two Infested Hives, enter the Necralisk. |
| 2. The Entrati | Talk to Mother; ask all three questions. |
| 3. Father | Find Father in the Drift, watch the Necramech fall, return; Daughter offers to help. |
| 4. The Exocrine | Collect 10 Fass Residue, fish 3 specimens with the spear she gives you, fight the ambush outside. |
| 5. The Heart | Take the Esophage down, meet Son, solve the Requiem cipher, watch the rogue Necramech break the Heart, escape on foot. |
| 6. The Necramech | Pilot Father’s Voidrig: three hives, repair the Heart with the Omni, then kill the rogue Necramech. |
| 7. Grandmother | The epilogue in the Necralisk. |
Table of Contents
What you need first
| Requirement | Why |
|---|---|
| Earth to Mars Junction | The only gate. No Mastery Rank requirement. |
| Solo | The quest runs alone; you respawn if the Necramech goes down. |
The stages in detail
- Select Heart of Deimos in the Codex and fly to Deimos. Loid and Otak talk you through two Infested Hives; destroy the tumors on each, then enter the Necralisk.
- Speak to Mother and ask every question. The family is Infested; the Heart is what powers the Void tech in your Warframe.
- Go back out to find Father. He refuses to help. Back inside, Daughter agrees to help if you help her first.
- Wait for Vome to kill Fass, pick up 10 Fass Residue from the remains, then use the spear Daughter hands you to catch three fish. Any answer to her birthday question works. Fight the Infested at the door on the way in.
- Ride the Esophage down. Son admits he started the Grey Strain. Solve the four-symbol Requiem cipher on the door. The rogue Necramech breaks the Heart and your Warframe drops; walk out and avoid the mechs.
- Father lends you the Voidrig. Learn Necraweb, Storm Shroud and Gravemines as they unlock, destroy three hives, repair the Heart with the Omni, then fight the rogue Necramech: shoulders, skull face and the blue scar on its back are the weak points.
- Return to the Necralisk for Grandmother.
Rewards
| Reward | From | Note |
|---|---|---|
| Xaku blueprint | Quest completion | Parts come from Mother's bounties; a Riven instead if you already own Xaku |
| Voidrig blueprint set | Quest completion | Capsule, Casing, Engine and Weapon Pod blueprints; parts from Isolation Vaults |
| Necralisk Captura scene | Quest completion | Cosmetic |
| Entrati syndicate | Unlocked | Mother, Father, Daughter, Son, Otak and Grandmother open their shops |
| Necralisk bounties | Unlocked | Xaku parts, Quassus, and the road to Isolation Vaults |
| Helminth | Unlocked path | The Helminth Segment is bought from Son at Associate rank |
Best frames
| Frame | Role | Why |
|---|---|---|
| Xaku | Quest reward | Blueprint from the quest, parts from Mother's bounties. |
| Lavos | Father's shop | Bought from Father with standing once you rank up. |
Tips that save runs
- Do it early. Since Update 35 the quest sits on the way to Jupiter, and it is replayable since Update 40.
- Stay in the Voidrig for the mech fight; shoulders first, then the face and the back scar.
- Grab the Fass Residue quickly; it lies around the wyrm's fallen parts and vanishes when the cycle turns.
Mistakes that waste runs
- Trying to bring a squad; it is solo only.
- Fighting the rogue Necramech on foot; get back in the mech.