Heartwarming / Skrillex

• The Bittersweet Ending of the music video of Bangarang. A trio of badass boys rob an ice-cream truck driven by a morbidly obese driver in an elaborate heist. During the robbery, the ringleader of the trio accidentally amputates the driver's hand by forcefully slamming the driver's door onto his wrist. While his cronies enjoy the frosty treats, the leader can hardly eat because he feels guilty about what he did to the driver. Years later, the now grown-up trio performs a similar elaborate heist on a robbery van stealing four cases of cash. They succeed, and the leader visits the now down on his luck ice-cream man and gives him one of the money cases while buying and enjoying ice-cream. Recognizing the young man as that boy from all those years ago, the ice-cream man kindly waves to him with his now Hook Hand as a way of saying "thank you" and saying he forgives him.
• After telling off an audience member for throwing something at him hard enough to bruise, he implores the audience to please not beat up the person on his behalf.
• The (actual, not Mondegreen) the last line of Scary Monsters and Nice Sprites.
  Look at this: I'm a coward too. You don't need to hide, my friend, for I'm just like you.
• Skrillex dedicating "Cinema" (the encore song of one of his live shows) to the at-the-time recently deceased Ryan Dunn, having the audience engage in 10 seconds of pure silence just in case Dunn happened to be watching.
• His surprise reunion with From First to Last, a good 10 years after he'd last sung with them.
• The fact that he got to join Utada Hikaru to make "Face My Fears" for Kingdom Hearts III, considering that he grew up with the series and is a big fan of the games, especially the music in them.