The Only Hidden Profession: I Can Choose the Upgrade Entry!

[The rating just came out, it will go up~] [Professional] [Upgrade stream] [Origin copy] [Hot blood] [Not the Holy Mother] Three hundred years ago, the Origin Realm arrived in the Blue Star World. The ferocious beasts are raging, and everyone has changed their jobs. Chen Yan, after waiting for eighteen years, obtained the only hidden profession [Spiritual Contractor]. At the beginning, I made a contract with one, the weakest little rock turtle. Is he destined to become the weakest professional? No! Chen Yan relies on his professional talent [All Souls Entry], and the contracted spirit beast can make one entry selection every time it levels up. [Rock turtle level +1, obtain entry (spiked shell). ... [The bloodline of the Rock Turtle is improved, and the race is advanced → Earth Turtle. ... As the spiritual attributes increase, the spirit space increases. Bite! Successfully contracted the spiritual beast [Red Flame Bird]... Ding! Successfully contracted the spiritual beast [Xuanjin Tiger]... ... One day, when Chen Yan stood at the top of the Origin Realm, he looked down upon the geniuses of all races. He said calmly: "I am a contract spirit master. Is it reasonable to bring a few spirit beasts with me in a fight?" The professionals in Starry Sky Abyss looked confused. "Brother! You don't have martial ethics!" "Are you a spiritual contract master!? How come you are contracting with divine beasts!"