Interstellar Undertaker: My Illustrated Book Knows Everything

No one is more familiar with the death of civilization than Lyon. As a 'mourner' on the fringes of interstellar society, he has witnessed too many cold remains of human colonies. Until he discovered the inscription of a foreign civilization in a ruins that shouldn't exist - the moment it woke up, the [Civilization Illustrated Book] was directly burned into his mind. The technology and psychic abilities of thousands of extinct races have since become treasures that he can access at will. But every time he peeks into the secret, he is deprived of the proof of being a 'human being': his memory is dying. The coordinates of my hometown are blurring, the names of my best friends are being erased, and even my own past is in pieces. At the same time, the Star Destroyers on his home planet regarded him as a heretic and vowed to completely purify him; And in the deep dark sky, the existence named "Guardian" has also set its sights on this variable that steals fire... Leon stood among the tombstones of thousands of civilizations, holding the power enough to change the galaxy, but had to race against time to find the only way to survive before he completely forgot everything.