The Strongest Assassin Reincarnates in Another World

Aiden Nightshade grew up learning how to become the best assassin in the world. His deadly skills earned him the title "Reaper". However, one day, death came knocking unexpectedly... but the universe wasn't done with him. "Wait, how am I alive?" Aiden muttered, opening his eyes once again. "People here can fly? They can even shoot fireballs? Just what is this place?" Wondering how he could obtain such powers, he learned about the Otherworld—a place where he would have to complete trials in different worlds to get stronger. Then, a message appeared in front of him. [You will be summoned to the Otherworld in five seconds.] [5...4...3...2...1] [Summoning...]