Here is the full list of all 20 Witch Rise achievements.
Get 25 coins.
Get 50 coins.
Get 100 coins.
Get 200 coins.
Open 1 treasure chest.
Open 5 treasure chests.
Open 10 treasure chests.
Open 20 treasure chests.
Defeat 25 enemies.
Defeat 50 enemies.
Defeat 100 enemies.
Defeat 200 enemies.
Defeat the first boss.
Defeat the second boss.
Defeat the third boss.
Defeat the last boss.
Reach Level 2.
Reach level 5.
Reach level 10.
Reach Level 20.