...And Zel's grandma too! Rezo you sly dog. You have fangirls.

The subs make it seem like it would be that. And maybe that is what he means - he never saw light and suddently he has the mega-powerful light coming his way. Maybe he enjoyed seeing it. He's a magic user and he never saw magic. Maybe to him it was like looking at a finely crafted piece of art.