Neville paused a moment with the question. He still forgot at times, that not everyone here knew about things like magic. He took the wand out again.
"I uh..I do magic." He said simply, making a few sparks jet from the tip of his wand for emphasis. He wasn't really sure what kind of reaction to expect, but the man hadn't run screaming (yet) so maybe it'd be alright. "It was a spell. I think it was originally meant for warming potions but most of us just use it for tea." He shrugged.
"It's nice to meet you. Sorry if that was...weird, I forget that people don't know sometimes.