videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including Castle Crashers - 009 - Sock Puppet Dragon Boss, Lunar 2: Eternal Blue Complete - 075 - Boss Battle #17 - Zophar Final Form (Part 1), Lunar 2: Eternal Blue Complete - 050 - Boss Battle #8 - Lunn