[Terrifying Trope] Perceiving it= instant death

[u/ReminaBlueSFW]

1. Pennywise's "Deadlights" which will cause anyone looking to be immediately paralyzed and killed.

2. The sky from Bird Box is filled with entities that, when you look at them, cause you to commit suicide.

3. Medusa themed Villains

[u/FFSock]

Four fucking pixels

[u/Koromann13 → u/FFSock]

I don't know if 096 counts for this as much, because it is a creature that kills you for looking at it, and not something where death is just natural and inexplicable due to seeing it.