C780 Life Severing Thrust.

"A non-existent material element? Then how did this thing come to be?" Pokong asked curiously.

"I don't know. It might be related to the future or the Cross Chamber of Commerce. In short, it's not possible to develop these things yet. However, as time goes by, more and more unknown material elements will appear in this world. When that time comes, developing these pills will become possible