The upcoming dark fantasy title has an interesting hook, whereby everything has a tangible cost to your character. So if you want to use a spell, you may have to give up a personal possession, or even a limb, or even a life.
Here's a fairly lofty description of the Vita title from the PlayStation blog:
Cruelty is a reality in our life, and we have to make sacrifices and pay costs on a daily basis. Inafune-san wanted to blend this “reality” theme into a fantasy world filled with magic, and create a new type of gaming experience that relied on the player making sacrifices in order to obtain great power. Another key feature of the game is the concept of “sacrifice.” In order to use sorcery during fierce battles, you must be willing to make a