Once you have Dark And Darker Gold for sale it equipped and out Once you have it all set, simply hit "E" to activate your spell-wheel, then move the cursor over which one you want. There's no need press to select. Whatever your mouse hovered over last is the spell that you'll get.
When you're ready a spell, hold down the left mouse click down. Spells have varying cast times and the ones with more power take longer to cast. Each spell has an progress bar, and before you go in the middle of a run you should try to test them out to see how long they take to cast.
Spells require knowledge to cast. You start with a base knowledge level of 12 and can boost it with certain pieces of equipment you find in dungeons. Wizards can make use of Meditate to increase the power of their spells over time. It takes a while to activate this ability therefore, make sure you're with an experienced companion or in a secure space when you're using it.
Wizards and Clerics also require spell memory in order to open the slots where you store spells. For the Dark and Darker demo, you'll get one memory for spells automatically, which lets you equip five spells.
Play around with spells to discover which buy Dark And Darker Gold ones you like most. In our experience, offensive spells, like Lightning and Fireball are better than the typically short Invisibility and similar support spells, at least for Wizards. Clerics benefit from the added benefit of casting buffs on themselves, which allows them to take on more powerful hits and do some damage by using their mace.