Wizards are the only type of Enemies that can surprise you by using magical skills.
The Wizard will disappear and summon more Enemies during the Run, in order to reach the Wizard you have to defeat them.
They also have a magical force-shield around them, you have to remove it with a strike.
When Wizard appears in the Dungeon, he will try to hit you with Shooting attacks, be sure to dodge them.
After summoning the Pet, you will be able to shoot Wizards with different types of projectiles. Some of them will inflict damage to multiple Enemies.