Use... THE MIRROR!

From Create Your Own Story

That'd right, the mirror. The mirror was made very long ago, in a very far away place. It was guarded by a spell. The monks here, who were so ravenous for reputation, could only gain the mirror if they did a very embarrassing thing in public. 50 years ago, monkship was decided by genetic relation. So they layered the spell, such that it also had to hurt other people. Let's check the criteria.