Here is the full list of all 14 Beasts Battle achievements.
Complete 10 levels in any race.
Lose the 2000 health.
Apply 15000 physical damage.
Spend 10,000 gold.
Complete 5 levels in any race.
Apply 5000 physical damage.
Try hotseat mode.
Complete the game in any race.
Apply 2000 magic damage.
Lose 200 mana.
Complete the game for both races.
Go Ridge Hero of a warrior on Hard difficulty.
Go Ridge Hero of a mage on Hard difficulty.
Earn all stars.