Talent Swallowing Magician

Elric Melvinger.
He was the sole heir of a renowned magical family. He was born with innate talent, yet he was ironically unable to master magic due to his overwhelming abundance of talent. But then he discovers his family’s secret, which was left behind by his ancestors.
“Consume the mana.” “Swallow the mana.” “Drink the mana.”
“And thus, accumulate all the mana inside you, and then bring forth new magic!”
He would rise to an untouchable height that no one else could reach.