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Harrow's necromantic power includes the ability to create underlighting whenever it's necessary.

Bonus:

The build up and reveal of Skinner was absolutely fucking terrifying, and that might be the most grotesque monster concept I've ever encountered... I did not expect that entire scenario to escalate THAT MUCH, either! I was predicting that The Horns & Company would regroup, open the doors, fight a boss, and... NOT THAT... But once the half-elf whose name I don't know how to spell (audiobook curse tbh) translated that ancient rhyme I legit went "oh fuuuuck" and it snowballed SO QUICKLY from there...

#2 is where we start to question a little bit. But the answer remains the same. That is a hoodie.

#3 is not difficult at all. That is a jumper. NOT A SWEATER. A sweater is not ugly unless it is a christmas sweater that is intended to be ugly. That third one is a jumper (or a pullover if you want to be different).

Meanwhile, somewhere else in Night Vale: