Sierra blinked...

...and then she blinked again.

Dear Merlin! Could the professor be anymore long-winded? She didn't think the woman would ever stop talking, but sure enough, she finally did. ...what had she said anyway? Oh, yeah...dark creatures. Sierra raised her hand. "They pretty much have no other reason to be here other than the fact they're just evil and want to cause harm," she said. "Dark creatures don't have a full life the way we do or a different kind of creature does. They're born of evil--like the boggart, which only shows up when fear does."