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 Defense Level 5.
Attuned to all seven of Loka's Chakra Gates.
Summited Mt. Sumeru, gateway to the heavens.
Confronted Obsidian Wind, Kaanul's self-fulfilling prophecy.
Upgraded to Attack Level 5.
Dissolved the Slime Queen and freed Queen Mary from its clutches.
Completed one Incarnation's Resolution quest.
Toppled Garuda Cruel and set Tai Krung City free at last.
Accepted and channeled the rage within, awakening Maha Heruka.
Upgraded to Defense Level 4.
Deposed the Crime Lord Mara and ended his insatiable greed.
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.
Dealt a total of 2,216,972 damage or more.
Upgraded to Defense Level 3.
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.
Successfully performed 108 Clean Blocks.
Reached the center of the world, the hard way.
Upgraded to Attack Level 3.
Achieved a combo of 108 hits or more.
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.