Beastmaster Stardust

Lian finally unveiled his most treasured possession, a translucent crystal that he wore close to his heart. Arthur could sense the significance it held for Lian, and as it landed in his palm, a mysterious screen materialized before him.

[Beastmaster Stardust]

[The last stardust of the heavenly beast constellation, allowing its user to tame, reform, and store beasts within the core. It can only be used by a single person, who offers their life in exchange for its power. Removal would result in the user's death.]

Seika, with a skeptical frown, voiced her concerns, "You may not have lied about the crystal, but there's no mention of its ability to track down monsters. Have you deceived us, Lian?"