How can I get the Geronimo achievement in Genshin Impact?
Find a monster on the ground near the base of Mt. Aozang and mark them on your map:
Teleport to the top of Qingyun peak and jump in the direction of your marker.
Be sure to check your map before you plunge to ensure you're over the monster's location, then of course, plunge:
Here is the video tutorial that fueled this answer: