Take the scroll at ( -264, -161, 792 ) Copy/waypoint -264.44, -161.08, 791.82 to receive the recipe for Wonderous Mechanical Lockpicks.
Collect 250 Envenomed Coal from the coal bin at ( -291, -161, 773 ) Copy/waypoint -290.64, -160.82, 772.83.
Note: 25 per click
Craft 10 Wonderous Mechanical Lockpicks on a temple workstation at ( -290, -161, 776 ) Copy/waypoint -289.93, -161.08, 775.83 next to the coal bin.
Note: Since crafting them is not an actual quest step, mass production works fine.
Warning : if you zone out before picking all the locks, the locks you already picked will reset and wont be unlockable anymore. You'll have to restart the whole instance after a 2-hour lockout. You must be able to produce 10 lockpicks and use them all.
Use Wonderous Mechanical Lockpicks on the Sliding Door Controls at ( -263, -162, 659 ) Copy/waypoint -262.92, -161.70, 658.81.
Use Wonderous Mechanical Lockpicks on the two Sliding Door Controls near ( -263, -162, 583 ) Copy/waypoint -263.01, -161.96, 583.39.
Use Wonderous Mechanical Lockpicks on the three Sliding Door Controls near ( -263, -162, 509 ) Copy/waypoint -262.62, -161.94, 509.48.
Use Wonderous Mechanical Lockpicks on the four Sliding Door Controls near ( -263, -162, 434 ) Copy/waypoint -262.94, -161.96, 433.71.
WARNING: Click SLOWLY on the four or the system may bug and not unlock the last door.
Proceed to ( -256, -161, 322 ) Copy/waypoint -255.74, -160.66, 322.03. (updates the quest)
Click the pillar in the center of the room to Place your arm into the Flowing Magic ( -273, -161, 285 ) Copy/waypoint -272.60, -161.45, 284.76 to "Attempt to cure my wound"
(Tilt camera up and click the dark blue glowy aura part of the pillar)
Click the pillar in the center of the room to take a sample of the magic.