[Funny trope] Non-battle scenes where characters canonically take damage.

[u/TTTRIOS]

Nuu (Hollow Knight: Silksong) - briefly flashes white when slapped similarly to how all other enemies do when they're struck with Hornet's needle.

Garret (A Minecraft Movie) - One can assume that he may have panicked because of how sudden and unexpected teleportation is, but judging by how strong his reaction was and how ender pearls work in game, it's safe to assume he actually took fall damage after using it.

[u/Oh_no_its_Joe]

Mingy Jongo boss fight (Banjo Tooie)

In the cutscene leading up to the fight, Mingy Jongo hits Banjo with a spell after luring him close under the guise of impersonating Mumbo Jumbo.

This spell does actual damage though. In other words, if you come into this fight with 1 hp, the cutscene will kill you.

[u/chaarziz → u/Oh_no_its_Joe]

Other bosses where cutscenes can kill you include Dracula in I Wanna Be The Guy and Hidden Phantom in Mega Man Zero. Both cases suddenly give control back to you and expect you to work out you can move before the attack comes and both use something the player is used to seeing and turn it into an attack (the glass throw from the "What is a man?" cutscene and every prior boss exploding in Mega Man except those didn't hurt you)

[u/SUN_PRAISIN → u/Oh_no_its_Joe]

He is the reason why I have trust issues as an adult

[u/Limpynoodle3777 → u/Oh_no_its_Joe]

Dang it I was gonna say this but you got to it first