What Should I Do If My Fantasy Beast Only Evolves to the Ultimate Level?

Ringer traveled to a world of swords and magic, became a beast phantom master, and awakened the ultimate evolution system. Beauty Tutor: "The evolution of a fantasy beast is very difficult and must be done step by step. A fantasy beast with an evolved physique can only advance once at a time!" Ringer: Gradually? But what if my fantasy beast can only evolve to the ultimate level? The first-level flamingo evolved into the divine beast Fire Phoenix here. The first-level wind spirit snake evolved into the divine beast Qinglong here. A rustic who was not even a first-level warrior evolved into the mythical beast Xuanwu here. The lowest level white cute cat evolved into the sacred beast white tiger here. Now, the four holy beasts of the East have gathered together, but... How to evolve the unicorn? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.