Dream of Gnawing Oak Achievement Guide HSR 3.8 (2026)

The Dream of Gnawing Oak hidden achievement in Honkai Star Rail 3.8 requires five achievements across three floors: 17 treasure chests, three Dream Ticker repairs, and two Lordly Trashcan interactions. Available since December 17-18, 2026, this permanent content unlocks after completing **The Moment Before My Death** Trailblaze Mission and **Memories are the Prelude to Dreams** Finality Mission.

Author: BitTopup Publish at: 2026/02/04

What You Need to Know

Five achievements define this route: Ticker's Vision (repair three Dream Tickers), Fathom the Unfathomable (rotate Dream Modules southeast/northeast/northwest), My Sin Is Ever Before Me (read Dreammaster's letter), Only Reflection Remains at the Crossroads (choose alternate road), and Murmurs of the Long Slumber (interact at lookouts).

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Requirements

  • Complete The Moment Before My Death Trailblaze Mission
  • Complete Memories are the Prelude to Dreams Finality Mission
  • No character restrictions
  • No Trailblaze Power cost

Rewards

Chest Distribution:

  • F1: 8 chests
  • F2: 2 chests
  • F3: 5 chests

Each achievement awards Stellar Jade. Chests contain Credits, Character EXP Materials, Light Cone Enhancement Materials, and Relic fragments.

Fast Route Checklist

Start at Corroded Weaving Roots Space Anchor (F1), progress through Oak Manor, finish at The Road Not Taken (F3). Total time: 45-60 minutes.

Honkai Star Rail Dream of Gnawing Oak floor map with Space Anchors and chests

Phase 1: F1 Starting Area

  1. Corroded Weaving Roots - Go east to Chest 1 behind giant tree root
  2. Northeast up stairs - Chest 2 behind orange bush
  3. Northwest - Repair Dream Ticker 1, spawns Chest 3
  4. Sinking Reverie Space Anchor - Collect Chest 4 south in corner
  5. F2 southwest room - Chest 5 between couch and table
  6. North stairs to circular lookout - Chest 6

Phase 2: F3 Combat & Tickers

  1. Return to Sinking Reverie - Defeat two Memory Zone Meme enemies
  2. The Road Not Taken Space Anchor (F3) - Collect Chest 7 (spawns after combat)
  3. Down stairs - Repair Dream Ticker 2, spawns Chest 8
  4. Interact with Dreammaster's letter → My Sin Is Ever Before Me achievement
  5. Choose alternative road → Only Reflection Remains at the Crossroads achievement

Phase 3: Oak Manor & Dream Modules

  1. Oak Manor Space Anchor (F1) - Chest 12 south next to couch
  2. West - Repair Dream Ticker 3, spawns Chest 13Ticker's Vision achievement
  3. North - Chest 14 at fireplace
  4. Octagonal room east - Chest 15 atop stairs

Dream's Eye Rotations (south of The Road Not Taken):

  • Southeast → Chest 9 (left of wheelchair/desk)

Honkai Star Rail Dream's Eye module rotation sequence for Fathom achievement

  • Northeast → Chest 10 (by empty frame/boxes)
  • Northwest → Chest 11 (before staircase to red exit)

Completes Fathom the Unfathomable achievement.

Phase 4: Lordly Trashcans & Lookouts

Lordly Trashcan 1 (southern F1 lookout):

  • Answer: Who even cares anyway OR Watch more cartoons

Screenshot of Lordly Trashcan dialogue choices in Honkai Star Rail Gnawing Oak

Lordly Trashcan 2 (octagonal room east of Oak Manor):

  • Answer: It's not that high here, either OR Defeat all the cans

Visit all lookouts and interact for Murmurs of the Long Slumber achievement:

  • Southern F1 lookout
  • Circular F2 lookout (near Chest 6)

Critical Triggers You Can't Skip

Dream Module Sequence

Must rotate in exact order: southeast → northeast → northwest. Wrong order blocks chest spawns. Reset by teleporting away and returning.

Combat for Chest 7

Defeat both Memory Zone Meme enemies at Sinking Reverie before Chest 7 spawns at The Road Not Taken. Battle may reset if you teleport mid-combat.

Path Choice Permanence

Select alternative road at The Road Not Taken for achievement. Wrong choice requires teleporting away to reset dialogue.

Dream Ticker Locations

  • Ticker 1: F1 northwest of Chest 2

Guide to Dream Ticker repair spots in Honkai Star Rail Dream of Gnawing Oak

  • Ticker 2: F3 down stairs from Chest 7
  • Ticker 3: F1 west of Oak Manor Space Anchor

Common Mistakes

Missing Third Dream Ticker: F3 Ticker down stairs from Chest 7 frequently overlooked—requires descending, not ascending.

Wrong Rotation Order: Random Dream Module rotations prevent achievement. Reset Dream's Eye by teleporting away.

Skipping Lookouts: Collect chests but forget lookout interactions. Systematically visit all before leaving area.

Premature Departure: Verify all five achievements unlocked before leaving. Check tracker for missing objectives.

Character & Resource Requirements

Team Composition: Any characters work. Free units (Trailblazer, March 7th, Dan Heng) sufficient.

Trailblaze Power: Zero stamina cost. Complete anytime without resource depletion.

Combat Power: If you've completed prerequisite missions, your team handles Memory Zone Meme enemies easily. Focus on breaking toughness bars.

Consumables: None required. Optional healing items for safety.

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Troubleshooting

Ticker's Vision Won't Unlock: Revisit all three Ticker locations. Check if any display as broken vs. functional.

Fathom the Unfathomable Stuck: Verify all three rotation chests collected (9, 10, 11). Return to Dream's Eye for missing rotations.

Chests Not Spawning: Teleport away and return. Search 15-meter radius around Tickers. Check exploration tracker—may already be collected.

Missing Dialogue Prompts: Confirm prerequisite missions complete. Check achievement tracker for prior completion. Teleport away to reset.

Post-Completion Strategy

Stellar Jade Optimization:

  • Prioritize high Jade-to-time ratio achievements
  • Complete exploration achievements during natural progression
  • Track progress to avoid duplicate efforts

Resource Allocation:

  • Credits → Light Cone leveling, Relic enhancement
  • Character EXP → Stockpile for new banner characters
  • Light Cone Materials → Support Light Cones for multiple teams
  • Relic fragments → Artifact enhancement

Version 3.8 Ecosystem: Dream of Gnawing Oak connects to broader Penacony Dreamscape achievements. Cross-reference requirements for overlapping objectives.

FAQ

What are prerequisites for Dream of Gnawing Oak? Complete The Moment Before My Death Trailblaze Mission and Memories are the Prelude to Dreams Finality Mission. No Trailblaze Level requirement beyond mission access.

Can you miss this achievement permanently? No. Permanent content with no time limits or daily resets. Complete across multiple sessions without penalty.

How many interactions needed? Five core achievements: three Dream Ticker repairs, three Dream Module rotations, one Dreammaster letter, one path choice, multiple lookout interactions. Plus two Lordly Trashcans for bonus rewards.

What rewards do you get? Stellar Jade per achievement. 17 chests with Credits, Character EXP, Light Cone Materials, Relic fragments. Lordly Trashcans give unique dialogue rewards.

How long does completion take? 45-60 minutes for experienced players. 90-120 minutes first-time. Minimal combat, mostly navigation and interactions.

Need specific characters? No. Any team composition works. Free story characters sufficient for all objectives including Memory Zone Meme combat.

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