Black clover. 21, The truth of 500 years

"Asta is a young boy who dreams of becoming the greatest mage in the kingdom. Only one problem--he can't use any magic! Luckily for Asta, he receives the incredibly rare five-leaf clover grimoire that gives him the power of anti-magic. Can someone who can't use magic really become the Wizard King? One thing's for sure--Asta will never give up! With Asta and Yuno now in the Shadow Palace, the time has finally come to settle the grudge with the elv...