In the follow-up to >>1513636, Pinkie's boyfriend damages the hypnosis yo-yo and sets her free from the zombie's spell. Enraged by the latter's treatment, the pony-eared damsel then tears her tormentor to shreds as her boyfriend laughs. (And yet this video and others present themselves as "kid's videos", and yet they have lewd thumbnails and many of their themes involve love triangles, toilet humour, embarrassed men and women, and characters getting killed.)

Here is an article about those kinds of videos, in which Twilight, Flash, and Adagio show up as typical characters: http://www.horse-news.net/2017/08/i-think-im-having-fever-dream-kids.html