What to know
- This is a hidden achievement in the “When Opportunities Converge” group, added in v2.5.
- It is unlocked by finding 3 specific notes written by Yijiang inside the Sword Seeker Chronicles story mode.
- You must first unlock and play through the Sword Seeker Chronicles event to access these notes.
- Reward: 5 Achievement Points.
Old Friend on the Other Side is a hidden achievement added in Version 2.5 under the When Opportunities Converge category. It’s unlocked during the Sword Seeker Chronicles story mode by locating three notes written by Yijiang within the Qingming Realm. This guide walks you through how to access the event and the exact locations of all three notes so you can earn the achievement and its 5 Achievement Points without missing anything.
How to unlock Sword Seeker Chronicles
To access Sword Seeker Chronicles (the event/story mode where the achievement is), you need to meet these requirements:
- Reach Inter‑Knot Level 20 (or higher).
- Complete the Main Story Chapter 1 – Intermission (Season 1 Chapter 1 Intermission).
Once those conditions are met:
- The Sword Seeker Chronicles event banner will appear in the Events menu.
- Enter the event and start the “Sword Seeker Chronicles” story mode (also called the Qingming Realm story).
Where to find the 3 notes by Yijiang
Inside the Sword Seeker Chronicles story mode, you need to find three hidden notes left by Yijiang. These are usually placed in key story areas and appear as interactive objects.
Notes Someone Left Behind (I)
Teleport to the Deepest Part of Area 1 in the (Hollow) Qingming Realm.


Location of the first Note (Image credit: COGNOSPHERE PTE. LTD. | Via: YouTube - Ranko Gaming)
Use your skill to disintegrate the red crystals, clearing the path and opening the way to the next enemy-filled area.


Destroy the crystals to clear the way (Image credit: COGNOSPHERE PTE. LTD. | Via: YouTube - Ranko Gaming)
Defeat the enemies ahead, then head to the end of the passageway to collect Notes Someone Left Behind (1).


Defeat the enemies and pick up the notes (Image credit: COGNOSPHERE PTE. LTD. | Via: YouTube - Ranko Gaming)
Notes Someone Left Behind (II)
Teleport to the Realm Sword Altar marked below.

Go straight ahead, then turn right and use your Flying Sword to drop down to the lower area.


Go straight then turn right and drop down (Image credit: COGNOSPHERE PTE. LTD. | Via: YouTube - Ranko Gaming)
After dropping down, pick up Notes Someone Left Behind (2) directly in front of you.

Notes Someone Left Behind (III)
Teleport to the marked Realm Sword Altar below.

Go through the gate right beside you to enter the middle compound. Continue straight ahead, and you’ll find Notes Someone Left Behind (3) lying on the floor.


Go through the gates and pick up the third notes (Image credit: COGNOSPHERE PTE. LTD. | Via: YouTube - Ranko Gaming)
After collecting all three notes, the “Old Friend on the Other Side” achievement will unlock automatically.

Old Friend on the Other Side
“Old Friend on the Other Side” is a straightforward story achievement earned by progressing through Sword Seeker Chronicles and collecting three notes left by Yijiang. Once the event is unlocked, simply follow the story path and pick up the glowing notes, no extra challenges or grinding required.
Thanks for spending a moment with this Old Friend on the Other Side Hidden Achievement guide. Comment your feedback or questions—we regularly monitor comments and enjoy interacting with readers.
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