How To Raise Your Regressor - Chapter 220 Challenge Accepted

Riven's life turns upside down when Elysium's Multiverse absorbs planet Earth. On the fringes of a newly growing galaxy where magic and fantasy are both very real, the inhabitants of three merged worlds must find a way to survive the trials Elysium sets out for them. Riven finds himself thrust into a whirlwind of chaotic events just trying to make it out in one piece, learning how to craft the dark arts to do his bidding as he strives to keep his loved ones safe.But the powers of this new multiverse have other plans for Riven's tiny planet, and Elysium's worldwide trials are just the beginning.*A mixture of brutal violence, the darker aspects of humanity, and comedy. Centered around a blood mage / warlock and his demonic summons. This story is full of gory fight scenes, you have been warned.**Inspired by 'Defiance of the Fall', 'Primal Hunter', 'The Legend of Randidly Ghosthound', and 'Infinite Realm' series. I hope I do them justice.*

After a disaster, a despised son-in-law quietly undergoes a shocking transformation. With both medical and martial arts skills, a battle for redemption is on the brink of erupting...

Possessing immortal arts, he can give life and he can bring death. Treading upon thousands of heroes, every corner of the city has his legend…

Aaron, a wildlife biologist, became a military strategist right after a global war between nations began.He never wanted to participate in the war but he had to, because he wanted to continue his studies on endangered species the moment the war was over, but to his surprise, everyone in his unit were killed, including him, and the next thing he knew, Aaron woke up in the body of a young noble having a similar name to his.However, he also noticed he had awoken in a world different from Earth.In this world, demonic beasts ran rampart with only one thought in mind, causing them to feed on anyone they see, be it humans, elves or even magical beasts as well.During his first encounter with a magical beast, Aaron awakened a system which allowed him to bond with magical beasts and to obtain terrifying abilities from these bloodcurdling magical beasts, so he used his experience as a wildlife biologist to help make it easier for him to bond with these beasts.However, Aaron also noticed he could evolve these beasts if their loyalty towards him had reached a certain level, so he vowed in his heart to grow strong enough to protect those he cared about in this world with the hope of living a happy, peaceful life where he'll be able to focus fully on his passion as a wildlife biologist.