The Strongest Demon King System

Fang Xin transmigrates to the Great Thousand World and unexpectedly obtains the Strongest Villain System.

System Summoning Cards.

Ding... Congratulations, Host. You have obtained the Heaven-Defying Seven Demon Blades Summoning Skill.

Ding... Congratulations, Host. You have obtained the Ruthless Great Emperor Summoning Card Skill.

Ding... Awooo... Your Uncle Dragon is here! Little bean, get out of the way!

Ding... Baby is very angry, and the consequences will be dire!

Fang Xin: If you're going to make it in this world, you have to keep your word. If I say I'll kill your whole family, I'll kill your whole family.

My name is Fang Xin, and I always keep my word!

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.