[He had read a little about filial magic, but hadn't put much store in it until now. Sasuke prefers actions to words, so seeing that it actually works is making him much more interested in it.]
You learned how to do this?
[As opposed to the unique abilities that he sees a lot in his world, that the users had been born with.]
no subject
You learned how to do this?
[As opposed to the unique abilities that he sees a lot in his world, that the users had been born with.]