If you are looking to 100% The Adventures of Elliot: The Millennium Tales, you have quite a bit of work ahead of you. Whether you are playing on PC, PlayStation 5, Xbox Series S/X, or Nintendo Switch, the path to the "A Millennial Adventure" achievement involves a mix of story progression, heavy grinding, and specific exploration tasks.

⚡ Quick Facts
  • Release Date: June 18, 2026
  • Total Cats to Collect: 50
  • Total Weapon Types: 8
  • Vitality Requirement: 4 Shards of Life per point

Story and Progression Achievements

Many of your achievements are unmissable as you complete the narrative. Simply playing through the game will earn you:

  • The Strange Doorway: Finding the ruins.
  • A Devastated World: Reaching the Age of Reconstruction.
  • A Prosperous Nation: Reaching the Age of Magic.
  • Where Wisdom Will Bud: Reaching the Age of Budding.
  • A Shield Restored: Restoring the Moonmirror.
  • Inheritor of Nomutota: Acquiring the Mystic Seal.
  • Wisdom Revealed: Learning every fairy power.
  • The Peace in Which We Walk: Good ending.
  • At the Thousand-Year Journey's End: True ending.
  • As Long As Any Hope Remains: Bad ending.

Combat and Mastery Grinds

You will need to spend significant time in combat to hit the kill requirements for various weapon types. The Temple of Trials is your best friend for these grinds:

  • Weapon Masters: You need 200 kills each with the sword, boomerang, spear, chain and sickle, hammer, and bow. Bomb kills require 100.
  • Smooth Fighting: Chain 30 bonus drops. Equip the Lotus Chain accessory to survive one hit per chain level without breaking the streak.
  • Reaper of Ruin: Defeat a Red Lizkit (look for the dark aura).
  • Monster of Fortune: Defeat a Jewelrie. These enemies flee quickly, so prioritize high damage output.

Exploration and Side Content

To reach full completion, you must engage with the game's side systems:

  • Magicite: You must reach the maximum magicite rank. Keep grinding chains against enemies or in the Temple of Trials to fund the magicite maker.
  • Side Quests: Complete every available side quest. Be careful, as some are time-limited.
  • Completionist Tasks: Destroy 200 barrels/pots and cut 300 patches of grass. Don't be afraid to be violent with the environment.
  • Cats: There are 50 cats to find and befriend. Feed them their favorite food; note that they get full, so you will need to return for multiple visits to build friendship.
  • Manuscripts: Explore every corner for glowing orbs to find all manuscripts.

Finally, for the "Cardinal Hero" achievement, make sure to complete the Hero's Trial at the Temple of Trials once you reach the true ending endgame content. Once all these are cleared, you will unlock "A Millennial Adventure."

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