Everypony has a guilty pleasure. Something they're embarrassed they enjoy. Something they know they shouldn't like. Rainbow Dash has one in the form her her friend, Twilight. She hates herself for it, but time after time she comes back for more.
What Measure is a Monster? When six darkened beings from different worlds and times are brought to Equestria, will they adapt to the peace, or seek to destroy it?
Created by CrownofDissonance
