Coped from one of the comments on Bored Panda (
https://www.boredpanda.com/things-ai-cant-recreate/)
It's the comment by: Everest wolf
All the magic characters are cut off by the HN filters, but the original looks like the text is written everywhere except in the line itself...
ALL HAIL THE FISH
👤 robin_reala Accepted Answer ✓
It’s called Zalgo text.[1] Basically spamming unicode combining diacritics onto existing characters. Note of course that this makes the text broadly unreadable for sighted users, and completely unusable for blind or low vision users.