User blog comment:Guildmaster Grovyle/JLE Role Play, Spring 2015/@comment-7345250-20150430041902/@comment-7345250-20150430063949

(He is asking the unicorns to use their magic and demonstrate that their auras are normal and non-changeling-ish. If all four of the unicorns prove legitimate, then theirs is the task of making sure the bat-pony is too.)