Here is the full list of all 29 Indivisible achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
United in the struggle to better ourselves.
Stopped Kala from resetting the world.
Upgraded to Attack Level 5.
Summited Mt. Sumeru, gateway to the heavens.
Attuned to all seven of Loka's Chakra Gates.
Confronted Obsidian Wind, Kaanul's self-fulfilling prophecy.
Dissolved the Slime Queen and freed Queen Mary from its clutches.
Completed one Incarnation's Resolution quest.
Upgraded to Attack Level 4.
Toppled Garuda Cruel and set Tai Krung City free at last.
Accepted and channeled the rage within, awakening Maha Heruka.
Upgraded to Defense Level 5.
Deposed the Crime Lord Mara and ended his insatiable greed.
Destroyed the Iron Kingdom's menacing war machine, MOLOCH.
Stopped the Serpent Queen from sealing her citizens away from the world.
Upgraded to Defense Level 4.
Used over 108 bars of Iddhi in battle.
Dealt a total of 2,216,972 damage or more.
Upgraded to Defense Level 3.
Successfully performed 108 Clean Blocks.
Arrived in the bustling town of Port Maerifa, gateway to the world.
Achieved a combo of 108 hits or more.
Awakened the power of Heruka, the wrathful deity.
Reached the center of the world, the hard way.
Upgraded to Attack Level 3.
Recruited a new friend to join you on your journey.
Set out on a journey to confront the evil warlord, Ravannavar.
Successfully performed a Clean Block.
Used an Iddhi Power for the first time.