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.
Upgraded to Attack Level 5.
Completed one Incarnation's Resolution quest.
Stopped Kala from resetting the world.
Attuned to all seven of Loka's Chakra Gates.
Summited Mt. Sumeru, gateway to the heavens.
Dissolved the Slime Queen and freed Queen Mary from its clutches.
Confronted Obsidian Wind, Kaanul's self-fulfilling prophecy.
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.
Upgraded to Attack Level 4.
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.
Deposed the Crime Lord Mara and ended his insatiable greed.
Upgraded to Defense Level 3.
Dealt a total of 2,216,972 damage or more.
Used over 108 bars of Iddhi in battle.
Arrived in the bustling town of Port Maerifa, gateway to the world.
Awakened the power of Heruka, the wrathful deity.
Achieved a combo of 108 hits or more.
Reached the center of the world, the hard way.
Successfully performed 108 Clean Blocks.
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.