My Familiar Is Defin

> Until a wise sage discovered humanity's unique talent for transcending through contracts with extraordinary beings, opening up Beastmaster spaces to accelerate the growth of their beasts, and utilizing Beastmaster spaces and companion beasts as filters to perfectly absorb spiritual energy.,All things are inferior, only taming beasts is superior!,After witnessing the horrors the world held, even the spring skies and summer flowers appeared to him as poison.。