Griffonrook Run Jumping puzzle guide - Dulfy Reborn
Loreclaw Expanse (jumping puzzle) - Guild Wars 2 Wiki (GW2W)
Griffonrook Run Jumping puzzle - Guild Wars 2 Life
Griffonrook Run - Guild Wars 2 Guide - IGN
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] :
Griffonrook Run Jumping puzzle - Guild Wars 2 Life
Guild Wars 2 - Jumping Puzzle - Griffonrook Run with Bomb - YouTube