Lightning-type E-rank? My Space-time-type S-rank can't be hidden anymore!

[Dual Superpowers] [Decisive and Ruthless] [Shots Like Thunder] [Extremely Satisfying] [Cool and Cool] [Not a Mary Sue] [Primarily an Invincible and Thrilling Novel] (Please, dear readers, add this to your bookshelves! Please give me some encouragement! Guaranteed to be good! Daily updates, please add it to your bookshelves if you like it! Thank you!)On the day of awakening, Lin Yuan tested and found that he possessed an F-level lightning-type ability.The whole audience burst into laughter."Rank F lightning? Just a moving light bulb!""What kind of talent could someone raised in an orphanage possibly have?"The eldest daughter of the Su family, who was his childhood sweetheart, awakened an S-level ice-type ability, causing the Su family to immediately turn their backs on the engagement and demand annulment.Lin Yuan remained calm and turned to leave."Since your Su family wants to humiliate me in public and try to climb over Lin Yuan of my Lin family to gain power...""Let's see who humiliates whom in ten days!"No one knew that a second superpower lay dormant within him—S-class, spacetime system.By binding with the [God-Level Ability System], you can gain unlimited skill points by hunting monsters!F-rank lightning too weak? Kill! Add more ability points, F to E, E to D, fight your way up to Thor!There's also the spacetime element? Kill! Kill! Kill! Breakthrough in realm, the power of spacetime is at my disposal!Geniuses from various factions exclaimed: "Six hundred and sixty-six! That's awesome! Lin Yuan isn't even acting anymore!"A mournful voice echoed from the Demon Cavern's Core: "When I heard Lin Yuan's stomach growl, I knew the sky was falling!"The introduction is insufficient; for more exciting content, please read on to the main text (it's guaranteed to be a good read).