http://www.onemanga.com/Naruto/390/07/
You doubt me? What does Zetsu say? Itachi stopped Amaterasu to protect Sasuke's eyes.
Amaterasu had engulfed Sasuke almost completely then next page it's gone also.
Originally posted by Kento
The only reason Sasuke got to do Kirin is because Itachi didn't kill him right away. And Itachi can do Amaterasu willingly and without pain.Having all his jutsu doesn't mean Sasuke is even equal to Itachi (not that he has all of them probably). The person who mastered them and is more powerful. And he blocked Kirin once he could do it again.
itachi does hav pain thats y he is holdin his eye after he used it in the fight and after that his eye was closed 4 a little bit after that