Since the Gem is a character, I would like to vote rather she may be added to the characters category, especially since she's in the character navbox. It doesn't matter if she's controlling a location. She's in the Gem category, and Gems are characters. As long as she's one with the clock tower, they are one and the same. Plus we consider Gems of similar caliber characters, you know the ones. The Clock Tower is in the Gems category and the Corrupted Gems category. She can't be in those categories without being in the characters category.