Reincarnated in Another World, My Spirit Beast Is a Stunning Female Emperor

Reborn in a world of beast tamers, Han Lin awakens the Living Essence Refinement System. By refining the blood and spiritual energy of demonic beasts, he can grow stronger. Though this is a beast-taming world, Han Lin doesn't mind if the spirit beasts he summons are weak and slow to improve. Why is it a person? Is this a spirit beast? Ling Siru, the Human Empress of the Heaven-Swallowing Continent. She was killed with a single palm strike while fighting for a supreme treasure of reincarnation in an ancient secret realm. Fortunately, her soul attached itself to the treasure. She was reborn carrying it with her. This is a world of beast tamers. What kind of spirit beast will I have? What? You're saying I'm the spirit beast? No matter. I have the supreme treasure of reincarnation. The treasure recognizes its master? So I'm a gift you gave him?