The Mistwrought Vault is a collective term for the Emerald Sanctum, Garnet Sanctum, or Sapphire Sanctum jumping puzzles. You will find the jumping puzzle in WvW, in Guild Wars 2.…
This is Obsidian Sanctum (jumping puzzle), in Guild Wars 2. :) https://youtu.be/dHvRDGS_Fjk
This is The Breached Wall (hero point, vista and jumping puzzle) in Diessa Plateau, in Guild Wars 2. :) https://youtu.be/CU5EDSrVTjc
This is a really short and easy jumping puzzle that you can find on the Pearl Islet, in Southsun Cove, Guild Wars 2. :) https://youtu.be/fStDbg-pCPU
This is a video of Lion's Arch easiest JP (Urmaug's Secret). Very easy and short jumping puzzle. :) https://youtu.be/t_PJoluXVDc