(fig. 1) An active spell plane
(fig. 2) Candle alignment required for a spell plane
Spell planes are designated circles for the usage of magic. All spells currently require the user to be within a spell plane to be cast.
There are two ways to create a spell plane. The first, and most easily accessible early game, is to create a circle of lit candles (fig. 2), stand within it, and use a soul bottle with right-click. The other way is with a
With the charged coil in your offhand, sneak and right-click with an empty hand to deploy a spell plane. Sneak and right-click again to dispel the plane.