使用塑魂术可以将任意材料转换为十元素之一，非十元素的材料也能转换，但这要困难许多。 In general, in order to Soulcast a specific Essence, the Surgebinder needs the corresponding gemstone which is infused with Stormlight. The Soulcasting itself uses the Stormlight.
The long-term use of a Soulcasting Fabrial seems to have a number of side effects. The ardents (also known as Soulcasters) that utilize these devices develop crystalline eyes and stone-like skin with cracks. There may also be effects on the user's personality, but this may be due to the attitudes of the Soulcaster order of ardents.