He was a good-for-nothing abandoned by his family, but was reborn with the help of a master. He was the orphan of a genius, but because of his father's thought, he sealed his talent as his own...
Its speculation, According to lucas, she wasn't this powerful in that timeline. (Not even a true god, (although she became true god long before lucas could even exist to interfere, i dont kbow the cause of it)) so it safe to assume that she became Infinity rank way way before lucas's timeline. So it not unreasonable to speculate that she sent her path from her past self along with other information.