Blade of Secrets by Tricia Levenseller

Ok but the magic system and the characters and the fact that we have a character with crippling social anxiety...I'm just like... sfjkldfjklds
The characters are really funny--and I love seeing how they interact with each other, and I love the magic concept and I can't. 
Kellyn is cool. No one is surprised. 

Petrick--cute little nerd:

ARE YOU HOW DID I MISS THAT
352 Pages