After time travel, I became Leonix!

Introduction: Travel through the Ultra World and become Leonix! Activate the monster development system! Five emperors? keep! Hyperjackton? keep! King Hypa Ailei? keep! Ray Brando? Come on, come on, let's see if I can't kill you! ……Damn Bruton! Please don’t summon Sadra ╥﹏╥ (Let me briefly explain that the protagonist’s level rises very quickly in the early stage. As a Leonix, the level will rise very quickly when participating in Leonix fighting. Later, it will Maintain this level for a long time, so the combat power will not collapse)