The Soul Beast Era: Summoning a Primordial Titan from the Start

【Everyone raises spirit beasts + evolution + not invincible + character growth】 “How should you care for an Ironhide Boar after it gives birth?” “How can you stop a Mourning Mantis from eating its male mate after they mate?” When he woke up, Lin Yun had gone from a construction site back to a classroom at school. Faced with these questions, he was dumbfounded. This was a parallel world where everyone raised spirit beasts, an age of soul beasts. A poor student could become a top student, but Lin Yun's System started acting up: every soul beast he summoned had passive skills only. Lin Yun: “One basic attack from me and you might die, you know.”