With Gacha being the Eternal Void - Chapter 14. Legend Level Opponent

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

Leo awakens in a world he doesn’t recognize, with no memory of who he is or why he’s there. All he knows is that survival isn’t just a necessity—it’s his only chance to uncover the truth.Thrown into a brutal test for assassins on a hostile alien planet, Leo quickly discovers an extraordinary instinct for combat and evasion—abilities that feel second nature, yet remain a mystery even to him.But as the blood-soaked trials unfold, whispers of his lineage begin to surface. In a universe where gods are eternal and invincible, Leo carries the blood of the one being who defied that rule: the Timeless Assassin, a legend feared by mortals and deities alike.Now, hunted for what he represents and burdened by a legacy he can’t yet comprehend, Leo must forge his path through a deadly labyrinth of enemies, alliances, and cosmic conspiracies—all while piecing together the fragments of his forgotten past.For in the shadows of his fractured identity lies a truth that could shake the heavens themselves.

“Is this a game or reality?” - Michael Norman*****Apocalypse descended, and reality transformed into a game for a select few known as Awakeners.Between the ages of 16 and 18, every teenager had the chance to awaken a class and attain supernatural powers. Awakeners would then venture into a game-like world, the Land of Origin, seeking treasures and gaining tremendous strength.Michael transmigrated into this world at 18 and successfully awakened the Necromancer class. However, that was not all—Michael also unlocked a unique talent that allowed his undead summons to evolve infinitely......[Little Skeleton has successfully evolved into Skeleton Soldier!][Skeleton Mage has successfully evolved into Skeleton Summoner!][Bone Dragon has successfully evolved into Undead Frost Dragon!]......With his powerful undead summons, Michael set out on a path to become a supreme legend.Tags:#Necromancer#Undead#Evolution#Armybuilding

Lin Zheyu transmigrates into an ancient world and becomes a storyteller to make a living. After being robbed several times, he decides to learn martial arts for self-protection.However, during one of his conversations with his master, Lin learns that this world is home not only to martial artists but also to demons.