Asta wants to become the greatest mage in the kingdom but can't use any magic. Then, he receives a gift that grants him the power of Anti-magic.
Deku wants to become the world's greatest hero but doesn't have any superpowers. Then, he literally receives his power as a gift so that he can pursue his dream.
They both have ambition, they both don't have any strength at first, and they both receive their powers as a gift.
