Here is the full list of all 65 Asura achievements.
Scavenge 100 enemies.
Clear a guardian room.
Open a Demon chest.
Scavenge 25 enemies.
Finish the game in Shaitan Difficulty.
Open an enemy chest.
Absorb 100 enemies.
Unlock 10 Shastras.
Destroy 100 pots.
Clear an Arena room.
Absorb 25 enemies.
Cast a shield spell.
Successfully cast an active skill in the game.
Equip item and fill the slots in inventory including consumables.
Forge an item.
Destroy 25 pots.
Clear a room of enemies.
Kill all bosses!
Finish the game only with default weapons.
True ending
Finish the game in Rakshas Difficulty.
Finish the game in Asura Difficulty.
Absorb 1000 enemies.
Collect 15,000 gold.
Scavenge 1000 enemies.
Destroy 1000 Pots.
Defeat the boss without killing any other enemy.
Complete the game without taking any damage.
100% the game.
Purchase an item from the store on discount.
Purchase every single item from the store.
Collect 500 gold in a single run.
Reincarnate
Reach Level 10.
Clearing a run without consuming any meat or potions.
Unlock 50 Shastras.
Unlock all Shastras.
Forge all items.
Forge all items in a single run.
Select all Yodha shastra in a run.
Select all Dhanush Shastra
Select all Bal Shastra.
Select all Mantra Shastra
Kill all champs!