Here is the full list of all 52 Spell Cast achievements.
10 Spell Upgraded
Killed 10 boss
Killed 10000 mob
Reached level 50
Reached level 55
Reached level 60
Reached level 65
Reached level 70
Dash is usefull, dont you agree?
Move 5000 pixel
Who doesn't love speed?
You are friendly!
You trapped an enemy
I guess you don't want anyone to touch you.
Pew Pew Pew
Reached level 45
Reached level 35
Reached level 40
Reached level 30
Played as Sorcerer
Reached level 15
Reached level 20
Reached level 25
Killled 100 mob
Reached level 2
You killed a boss!
Reached level 5
Killed 1000 mob
Reached level 10
First spell upgraded
You revived a teammate
Kill streak x100
You Unlocked First Stage
You dashed first time
You slowed an enemy
It hurts!
You fired an enemy
Played as Hunter
Die 20 Times
Move 100000 pixel
100 Spell Upgraded
Move 1000000 pixel
Killed 100 boss
Revived 10 teammate
You make game harder!
Played as Dark Mage
Played as Archer
Played as Knight
You charmed an enemy
You scared an enemy
You used bouncy projectile
You increased your luck