Invincibility Starts from Assimilating All Things

"You activated the system, assimilated the demon, and obtained the bloodline, skills and blood essence of the ancient demon!" "Assimilate the peerless powerful man and obtain his memory, skills, appearance, and even all his secrets!" "Consume death energy, improve skills, skill proficiency +1+1+1..." When the bustling technological metropolis was shrouded in an indescribable aura of terror, Yang Li took the system through time... The world after time travel is no longer peaceful, demons, evil spirits, and extraordinary beings appear frequently! This is a story about relying on "one's own efforts" to kill gods and demons in another world, push forward all the way, and defeat everything. Yang Li: "System, add it to me!" [Add points], [Jida], [Fusion], [Evolution]