Minecraft wiki entry for Advancement, associated text: The advancement Great View From Up Here requires 50 blocks of vertical movement; it doesn't specify in which direction. As such, it is very easy to get this advancement by allowing yourself to be hit by a shulker at the very top of a tall End City, and then throwing an ender pearl down to ground-level.
Though bearing similar names, Voluntary Exile advancement does not use voluntary_exile criterion trigger, unlike most other advancements.
As an April Fools' Joke, the snapshot Java Edition 20w14∞ added a new advancement called "Almost there," achieved after going through any portal a billion times. The in-game description is "Visited over billion dimensions."
The advancement is found in the "Adventure" tab and its parent is the advancement "Adventure." The advancement also has a flint and steel icon.
The advancement can be granted using /advancement grant @s only minecraft:adventure/almost_there.
As another April Fools' Joke, the snapshot Java Edition 22w13oneBlockAtATime added a new advancement called "Ride The End," achieved when an Ender Dragon is mounted.
The theme for completing a challenge advancement is used as Steve's victory theme in Super Smash Bros. Ultimate.
The advancement of Very Very Frightening comes from the song Bohemian Rhapsody after line for "Thunderbolt and lightning".