Genshin Impact End of the Line guide: Perilous Trail puzzle quest

A comprehensive guide to completing Genshin Impact’s End of the Line quest, including puzzle solutions, combat strategies, and time-saving tips.

Quest Overview and Preparation

Conquering the “End of the Line” quest in Genshin Impact’s 2.7 update presents a unique challenge, blending environmental puzzle-solving with tactical combat within a time-manipulation domain. This guide provides a detailed roadmap to navigate its intricacies efficiently.

As the fourth and pivotal chapter of the Perilous Trail Archon Quest, End of the Line tasks you with partnering alongside Yelan, Yanfei, and Xiao to uncover mysteries deep within The Chasm. Your success depends on mastering temporal mechanics and preparing for ambushes.

Before entering the domain, ensure your roster is prepared. While the quest provides trial versions of Yelan, Yanfei, and Xiao, having your own built versions as backups is wise. The domain features multiple combat sequences against Treasure Hoarders and Fatui operatives, so a general-purpose team with a strong shield/healer (like Zhongli or Diona) and a versatile DPS is recommended for safety.

Key preparations include stocking up on NRE (Menu 30) for food, Adeptus’ Tempation or other attack-boosting dishes, and potions like Frostshield or Insulation for specific enemy encounters. The puzzles are not combat-timed, allowing you to solve them at your own pace, but the battles themselves can be demanding.

To begin the final leg of the Perilous Trail narrative, you must first access the End of the Line Domain through your quest journal. The entry point is located in a newly opened section of The Chasm’s depths.

  • Pro Tip: Complete any nearby World Quests for potential buffs or context.
  • Step-by-Step Walkthrough

    The domain involves significant backtracking and precise interactions. Follow this sequence to minimize frustration and ensure you collect all key items:

  • Upon entering, you’ll be in the Realm of Snaring Illusions. Clear the initial enemy group using the provided Yanfei—her charged attacks and AoE are ideal for the clustered foes.
  • After combat, investigate the prominent glowing spot to obtain the Note of Unknown Origin: I. These notes provide lore and are required for completion.
  • Destroy the anomalous plant adjacent to the central compass mechanism with a simple attack. This removes a visual and potential pathing obstruction.
  • Interact with the compass and rotate the needle forward once. This aligns the temporal gateway.
  • Proceed through the now-active gate.
  • In the next chamber, defeat all enemies using the duo of Yanfei and Yelan. Use Yelan’s skill to group enemies and her Burst, then swap to Yanfei for vaporize reactions.
  • Pull the lever on the far side to open the exit gate.
  • Before leaving, investigate the second glowing spot for Note of Unknown Origin: II.
  • Return to the main compass. Rotate the Needle Forward again and pass through the newly opened gate.
  • This area features tougher enemies. Use Xiao effectively: activate his Burst and use plunge attacks for massive AoE damage. Mind your HP as his Burst drains it.
  • Collect Note of Unknown Origin: III from the glowing spot post-combat.
  • Clear the spiderweb blocking the next gate with any attack or elemental skill.
  • This is the critical backtracking step. Interact with the compass and move the needle backward twice consecutively. This rewinds the temporal state to an earlier configuration.
  • Pass through the gate that appears.
  • Now, return to the compass and advance the needle forward repeatedly until it aligns with the rightmost symbol on its dial.
  • Take the final gate to reach the conclusion.
  • Advanced Strategies and Common Pitfalls

    Executing the steps correctly triggers a concluding cutscene and awards the final Note of Unknown Origin: IV. Here are expert tips to refine your run and avoid common errors.

    Combat Optimization: When using trial characters, remember their builds are fixed. For Yanfei, focus on maintaining her Scarlet Seals for stamina reduction. With Yelan, use her Breakthrough Barb after being out of combat for 5 seconds for a powerful charged shot. For Xiao, cancel his high plunge animation with a dash to maximize damage output and minimize exposure.

    Puzzle Shortcuts & Common Mistakes: The most frequent point of failure is mismanaging the compass. Remember: ‘Forward’ typically means clockwise or towards the next symbol, ‘Backward’ is counter-clockwise. If you get lost, the compass can be reset by leaving the domain and re-entering, though this resets combat progress. Another common oversight is missing a glowing spot investigation—if a gate won’t open, retrace your steps to ensure you collected the most recent Note.

    Advanced Player Tips: Speedrunners can group enemies tightly before using high-damage bursts to clear rooms faster. The domain has no time limit for puzzles, but combat efficiency saves real-world time. If you have Kazuha or Venti, they are excellent substitutes for the trial characters for even faster crowd control, though the puzzles will still require specific interactions.

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