While looking grinning at her two friends, and yes, she considered Harvey as her friend too she folded her arms. This was really going to be fun, three first years making a mess together, nothing could be more fun to do! She really hoped to create a mess and to see how others were going to respond to it. Water was okay... She could think about a few things to do with water... "Maybe we should add something to the water so that it's getting a color like ink. That way we can leave a signature behind!" Turning toward Harvey she looked calculating. "Where do you think it's best to do the spell? We can't get in the common room because then everybody will know that we had a insider and the ghosts aren't entering the common room themselves I think... We need to do it on a public place so that everybody could have done it but close enough to the common room to make a big mess..."