Douluo: I Can Synthesize Everything

This book is also called "The Keeped Titled Douluo" Song Yi accidentally traveled through the Douluo world and obtained the Teamfight Tactics system! Upgrade your martial soul and soul rings without any stress! What? Is the yellow color of the first soul ring too ugly? It's okay, synthetic upgrade! Not even Millennium Purple? Ten thousand years, one hundred thousand years, one million years! The martial soul is just a piece of bamboo? It can breathe fire, fly, eat, and fight! Do whatever you want! One person is a team!