Played on and off casually for years, 100% solo,recently popped my dungeon cherry, things were looking up until i stumbled across players running Griffonrook run and joined in [ I wasn't prepared] :
Guild wars 2 Jumping Puzzle: Griffonrook Run - ksenobait on Twitch
Obsidian Sanctum - Guild Wars 2 Wiki (GW2W)
Griffonrook Run (jumping puzzle) - Guild Wars 2 Wiki (GW2W)
Loreclaw Expanse (jumping puzzle) - Guild Wars 2 Wiki (GW2W)