Invisibility: One of the best Spells to use on Wizard, but only veteran players seem to be utilizing it to the utmost Dark And Darker Gold. Basically allows the Wizard to use the same strategies as a Rogue does with their Hide ability.

Fireball: The Spell everyone uses at first, tends to show up in every game, and is almost always incredibly good. But, in Dark and Darker, players will quickly realizes that it is easy to hit allies with and there are better options for overall damage.

Chain Lightning: Likely the best option damage-wise, and the friendly-fire aspect of it is a bit misleading (doesn't actually chain to allies like it says it does). When aimed properly, can decimate an unaware foe.

Magic Missile: The most iconic 'Wizard Spell', Magic Missile, is incredibly good in Dark and Darker as well. It's great for NPC enemies, good for area denial in a PvP fight, and it's the best Spell to use if the enemy manages to close the distance as it can quickly melt through their HP before their swing connects.
Last-Second General Wizard Tips

Dark and Darker - Artwork From Presskit Showing A Party Exploring With A Wizard-1

And that's pretty much everything players need to know about building Wizards in Dark and Darker. This class, out of all the classes the game currently offers, is probably one of the most challenging ones to play for a newcomer.

In terms of stats, players should keep an eye out for anything that adds additional magic damage, Knowledge, magical power, spell capacity bonus, Will, and buff duration. And, there are a couple of other, more general tips to keep in mind as well:

Positioning Is Everything: For a Wizard, it's all about positioning buy Dark And Darker Gold Coins. Positioning at the right distance for a Spell to connect, the right distance to keep an enemy from connecting with an attack, or positioning not to hit allies.