Fawcett's Revenge
From Guild Wars 2 Wiki
Fawcett's Revenge is an achievement categorized with other jumping puzzles, even though it is not technically a puzzle. To acquire it, get to the point of Fawcett's Bounty in Harathi Hinterlands where there are collapsing rocks and allow yourself to fall into the pit. You must use a waypoint to get out of the pit.
