Azul says that he has been using basic magic since he was eight years old.
He rigs his contracts to electrocute anyone who touches them in Book 3, which may have been a form of lightning magic.
Floyd says that Azul once used color-change magic to fix a hat that Floyd had hydro-dipped.
We see him use unspecified forms of attack magic during Book 6, Glorious Masquerade and Vargas Camp.
He also uses ice magic multiple times during Book 6, making barricades against Titan Magma, and to attack Jade and Floyd in Book 7.
Azul uses what appears to be a form of ice magic again in Book 7 as a form of attack magic in order to protect Sebek.
He uses fire magic to burn a photograph in his dream of Book 7, and might have magically boiled water with Ace during the Stitch event.
It is possible that Azul uses levitation magic during the Halloween event to eject Magicam Monsters.
Along with the other kidnapped students he uses magic to change into his dorm uniform and to summon his magical pen in Book 6.
Azul also uses clothing-changing magic to change into his school uniform in Book 7.
He also creates a barrier to protect Riddle from a phantom attack, and uses wind magic during Glorious Masquerade in order to land safely after Rollo drops them through the floor.
Riddle compliments Azul on his targeted strikes in Book 6, and Azul himself tells Malleus that he is fairly certain that he has more magical precision than anyone else.
We also see him clear an entire room of fire lotuses during Glorious Masquerade without harming the structure they are in at the time, earning him a compliment from Malleus.
Azul seems to use unspecified form of attack magic during the Nightmare Before Christmas event.
Twisted Wonderland Reference Note 