Different types of summoning spells
As part of my rewritten summoning system I took inspiration from real occultism and divided summoning spells into three types: invocation, astral evocation, and physical evocation. An invocation doesn't cause the summoned entity to appear before the summoner, but causes the summoner themselves (or another target) to exhibit the desired traits of that entity. For example, invoking Mammon makes the invoker better at building wealth. An evocation summons the entity to appear before the summoner. There are two types: astral evocation and physical evocation . An astral evocation summons the entity on the astral plane. The evoker then communicates with it through the ritual altar's crystal ball, mirror, or even the reflective surface in the cup of water. This evocation has limited influence over the physical world, but the benefit is that the entity may show the evoker any imaginable image. This type of evocation is extremely useful for acquiring knowledge. A physical evocation su...