MTL - The Host is Dangerous and Charming - Chapter 21 "The Rebirth of Eighty Little Sweet Wife" (4)

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

There was neither Fighting Energy nor magic, only tamed beasts that had reached the pinnacle of evolution!After transmigration, Chen Mo awakened the talent of the Entry Training Manual, which allowed him to bestow various entries on spiritual beasts or himself by completing challenges. As a result, one after another, scientifically impossible spiritual beasts were born.[Lord of Thunder and Lightning·King of Thunder·Hardworking· Fox of Reincarnation] Nine-Tailed Celestial Fox with Super Electromagnetic Cannon.[White Angel·Battlefield Doctor·Ministering·Best Support] Great-Sea Whale, the Sky Fortress.[Pastry Master·Master of Culinary Arts·Gatling·Marksman] Spirit of Glutinous Rice Balls.[Late-Night Delivery Guy·Night Judge·Soul Switcher·Wish Merchant] Bringer of Misfortune from Urban Legends.[National Beauty·Enchanting Beauty·Idol of All·Seductive Temptress] Personal Maid, the Queen of Succubi.From then on, Chen Mo embarked on the advanced path of becoming a beast-taming master!

“Hey, hurry up and massacre those bandits!”

[Ding! Sorceress Beauty Merlin from Camelot has added you to a chat group full of beautiful maidens!][Ding! You've claimed the title of Supreme Demon Lord!][Ding! Fairy Queen Ophelia tagged you in a post!][Ding! Medusa sent you some of her spicy videos, shut your blinds before watching!][Ding! Your dog has been transformed into the Ancient Black Dragon Veligrpyh!]James Kang, once the youngest heir to the multi-trillion-dollar Hart Global Corporation, has everything anyone could dream of: money, luxury, and freedom. But his life is hollow—friends are fake, family distant, and his days are a blur of shallow extravagance.One late, lonely night, James gets a notification:[Congratulations! You have been added to the Ancient Multiverse Chatroom!]Thinking it's some cringy online role-playing game, he decides to entertain himself and plays along, proclaiming himself the “Supreme Demon Lord.”The group, filled with titles like:[Princess of the Azure Seas][Dragon Emperor of Ashvale][Goblin Slayer Supreme][High Priestess of the Sun][Fafnir, the Pet Wyvern]And they seemed hilariously invested in their roles.What starts as a joke takes a bizarre turn.The more James participates, the more he notices strange phenomena: glowing runes on his skin, magic artifacts materializing from nowhere, an elder dragon in his garage, and a sudden mastery of dark magic.Things escalate when a private group chat, run by a perverted female King Arthur, invites him to [The Table of Beauties], a circle of god-tier roleplayers… or so he thinks.Soon, James learns the truth.The chat is an interdimensional nexus connecting real worlds where magic, legends, and gods exist. His casual banter and fake roleplay have turned him into a living, breathing Demon Lord, complete with a castle in Hell, loyal monster armies, and reality-warping powers.To make matters even crazier, his “friends” start visiting Earth, and they’re nothing like he imagined!