Introduction: Alexander Maxim Universe, A kind old man, a war veteran, the most renowned scientist in the world.After a life full of hardship Alexander finally completes his promise to his dead wife. He made a super-effective medicine for cancer. But his kindness was greeted with ugly politics and betrayal from his loved ones.However, something different awaited him on the other side....After his death, due to unknowingly saving the lives of billions of people, God adopted him as his son and gave him the job to purify the multiverse from sin. From that day onwards, Angels and demons called him the God's Advocate."My son, enjoy yourself while working, okay!. I don't want you to get bored from your job like Jesus. Damn, I miss Jesus, why did I send him there"***Warning - No Harem, Extremely OP protagonist, more of a slice of life story.***[1st major world - Harry Potter. Will not strictly follow the canon - Chapter 4-45][2nd major world - Game of Thrones - Chapter 47-105][3rd major world - Marvel - 107 - 228][4th major world - One Piece - 229 - 300][5th mini-world - Star Wars - 302 - 329][6th major world - Naruto - 330 - 402][7th major world - Avatar: The Last Airbender - 406 - 452][8th major world - Bleach - 460 -492][9th major world - My Hero Academia - 493 -528][10th major world - Full Metal Alchemist Bro. - 529 -584][11th major world - Dragon Ball - 595 - 663][12th Final Arc - DC World - 663 - 704]                                                                                                                                                                                                Avatar                                                                                    Bleach                                                                                    DC Universe                                                                                    Dragon Ball                                                                                    Fanfiction                                                                                    Full Metal Alchemist                                                                                    Game of Thrones                                                                                    Harry Potter                                                                                    Male Protagonist                                                                                    Marvel                                                                                    Mature                                                                                    Modern Knowledge                                                                                    Multiple Realms                                                                                    My Hero Academia                                                                                    Naruto                                                                                    No Romance                                                                                    Not Harem                                                                                    One Piece                                                                                    Overpowered Protagonist                                                                                    Reincarnation                                                                                    Star Wars                                                                                    Strong to Stronger                                                                                    World Hopping...