Here is the full list of all 24 Dragon's Wake achievements.
Reach the surface with the green dragon
Stay in the air for 10 seconds
Give up your ability to breathe fire
Save a friend
Increase all abilities to maximum
Give the kid a ride
End the game with no other dragons in your group
Destroy the black knight
Smash 10 pieces of masonry
Kill 50 undead enemies
Eat a creature before it hits the ground
Hatch the egg
Kill an enemy by dropping a stone on them
Bite a ghost skeleton out of the air
Defeat the goblin chief
Eat 20 Goblins
Kill a mouse with a direct hit from a fireball
Retrieve the green dragon egg
Kill 50 enemies with fire
Eat food while at full health
Eat food off the ground
Grow larger
Make a friend
Find your mother