Demongrub Pits (jumping puzzle) - Guild Wars 2 Wiki (GW2W)
Gathering - Permanent Nodes - gw2efficiency
GW2 - Arborstone Achievements Guide - GuildJen
More info on the Aetherblade jumping puzzle : r/Guildwars2
Tekkit's Workshop on Twitter: "The JUMPING PUZZLES menu for an upcoming TacO update is done, now "just" draw all those routes 😀 #GW2 #GuildWars2 #gw2taco https://t.co/FX3xV1TKRm" / Twitter