MTL - Only I Can Use Summoning - Chapter 944 , last mercy

At the end of the world, a legendary hero gave his life to save a dear friend, only to be reborn as a four-year-old orphan with 'Crab Affinity'.The apocalypse has come and gone, claiming humanity with it. All humans have had their 'Souls' stolen and claimed by monsters - vampires, demons, zombies - you name it.Reborn as Barnacles (Barns for short), the once-legendary hero claws his way back to strength under the tutelage of the gluttonous King Crab, a sentient crustacean with more vice than virtue in his shell.Follow Barns' journey as he rediscovers his power of rebirth, which when combined with a little 'crab magic' has the power to reset humans back to their original selves.It's time to take a crack at resetting the apocalypse.

You’re a struggling young doctor, barely making ends meet with a measly $2000 monthly income. Life’s pressures and trials weigh heavily upon you!But lo and behold! One fine morning, you wake up to find yourself equipped with some sort of cheat codes…You’re scheduled for an appendectomy, so you roll up your sleeves and get ready to explore the abdominal terrain:You touch the cecum: “Cecum: Healthy!”You palpate the colon: “Colon: All clear!”You reach the appendix: “Appendix: It’s an inflamed, pus-filled appendix monster, level 15, rare creature. Recommendation: Perform an appendectomy!”With a decisive hand, you wield your scalpel and skillfully remove the troublesome appendix.“Ding! Rare appendix monster eliminated! Rewards: +100 experience in appendectomy, +$100, and a shiny white suture needle!”And thus, your journey begins as an emergency surgeon. But remember, with great healing powers comes great responsibility!

Hikaru crossed to Misty World with billions of other players. This world is full of monsters and fog.

Hikaru thought he wouldn't be able to survive in this horrible world when he suddenly possessed an SSS-class skill.

[Ding! Maximum Evolution.]

[Ding! Do you want to evolve Succubus into Fallen Angel?]

[Ding! Do you want to evolve Komodo into the Darkness Dragon King?]

[Ding! Do you want to evolve the Wooden Sword into a God Sword?]

…

Hikaru: “In this world, I am the lord.”

After an unforeseen circumstance, Kayn is abruptly transported back in time, accompanied by someone he once considered his most significant foe. As he delves deeper into the past, Kayn discovers the truth behind the events that led to his betrayal by both his guild and allies, as well as the agonizing reality of being abandoned by those he was sworn to protect. Fueled by a deep desire for retribution, Kayn vows to take matters into his own hands and right the wrongs of the past, proclaiming his intent to become a Kingmaker and shape the future according to his own vision.