Here is the full list of all 26 The Secret Order 3: Ancient Times achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Bring back peace to Forest of Hope.
Gain support from the elves.
Gain support from the fairies.
Gain support from the dwarves.
Complete the Game!
Help the innocent in need.
Collect all of the amethyst griffins!
Collect the Thor rune.
Collect all of the turquoise unicorns!
Collect the Aegir rune.
Collect the Freya rune.
Collect all of the golden dragons!
Seek out the Land of Ice.
Take a royal flight.
Seek out the Land of Fire.
Collect the Heimdal rune.
Collect the Loki rune.
Act against all odds.
Reach the shores of ancient city.
Collect the Odin rune.
Finish four Hidden Object Scenes without using a hint.
Finish eight mini-games without skipping.
Finish a Hidden Object Scene in 90 seconds without any hints.
Begin your journey.
Adopt the baby griffin!
Finish one mini-game without skipping.