The Strongest Demon System

Fang Xin traveled to the world and accidentally obtained the most powerful villain system. System summon card. Ding... Congratulations to the host, you have obtained the summoning skill of the Seven Heaven-Defying Demon Swords. Ding... Congratulations to the host, you have obtained the summoning card skill of the Ruthless Emperor. Ding... Oooo... Uncle Long is coming, little Douding quickly get out of the way. Ding... The baby is very angry, and the consequences will be serious! Fang Xin: When you come out to hang out, you must keep your word and keep your word. If I say I will kill your whole family, I will kill your whole family. My name is Fang Xin, and I keep my word! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.