Preparations
Of course, other than just trying it out because it seemed interesting, Krune was doing it because of the payment. Awakening a Spirit was extremely expensive, not to mention incredibly hard to achieve. Because of that, any Spirit Awakener obtained a lot of God Stones. Usually, it was used to awaken the Spirit of equipment. After all, paying to awaken a Spirit of something useless didn't have that much use.
'Still, what about the Spirits themselves? I understand that a piece of equipment with a Spirit is definitely much stronger than one without it. However, Spirits will gain sentience as well. What would happen if the Spirit doesn't want to fight alongside you? What if it simply decides to go away now that it can think like everyone else?'