Uploaded December 2025 | Updated September 2026, 2 weeks ago

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Locations for all 8 Crested Keys to complete the Side Story "The Eight Sacred Treasures" on Isle of Heroes Past in Octopath Traveler 0. I also show the Weapon rewards for each Crested Key in this video.

Timestamps:

0:00 Dagger Key (Option A)
0:20 Dagger Key (Option B)
1:04 Sword Key
1:43 Axe Key
2:13 Fan Key
2:41 Polearm Key
3:05 Staff Key
3:41 Tome Key
4:08 Bow Key
4:36 The Eight Sacred Treasures Side Story
6:34 Warbringer's Phantom Boss Fight
8:59 Weapon Rewards
15:20 Quest End

Intro Music: bensound.com

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