Here is the full list of all 15 Balkadia achievements.
Complete the tutorial in under 2 minutes.
Check back with everyone in 'South Village' before collecting the medallion.
Don't get hit in Leshy's forest.
Hold 100 souls at any point in 'Giant World'.
Collect a soul and defeat an enemy in the 'Haunted Tower' using the projectile attack.
Reach the castle in 15 seconds without taking damage.
Defeat Mirev without collecting any souls.
Reach and destroy the first bone wall under 30 seconds without damage from anything.
Reach the nightmare boss with full health.
Defeat all forms of Yaga without the flame whip.
Finish the cruise with half your health or more.
Pass the mountain with 75 souls or more.
Perform a special act during the ending of Balkadia. What could that be?