Cantile has an elemental detrimental and a knockback, so find someplace safe to pull her. The nearby house and the lake across the path from here have both been used successfully.
Next, you must drop off a package at the Keep of the Ardent Needle in Antonica ( -547, -13, -325 ) Copy/waypoint -547, -13, -325 - click a barrel to the right of the entrance (outside).
Check your in-game mail again for the next step (it will take another 5-10 minutes until you receive the message). Mailbox in Darklight Wood fair which is on the way or at griffon tower in antonica.
Go speak to Kerand D'Gamd ( 695, -56, -154 ) Copy/waypoint 695, -56, -154 in Darklight Wood; he will attack you.
Only one person in your group needs to hail.
He has a noxious-based stifle and a single-target noxious detrimental (upwards of 5-11k damage at level 90!)
Click a barrel in the tunnel heading to Nektulos Forest ( 711, -66, 75 ) Copy/waypoint 711, -66, 75.
Check your in-game mail once more, in Timorous Deep - mailbox ( 2659, 124, 1135 ) Copy/waypoint 2658.80, 123.80, 1134.60 (wait 5-10 minutes more until you receive the message).
The instructions lead you to Timorous Deep, just past the docks to speak to Norian Deathblow. ( 2492, 26, 1321 ) Copy/waypoint 2492, 26, 1321
He casts an uncurable poison effect that inflicts 340% health after 2 minutes, if mob is not killed.
Click a barrel on the docks. ( 2392, 10, 1439 ) Copy/waypoint 2392, 10, 1439
Check your in-game mail, in Commonlands - Freeport Station mailbox ( -596, -48, -773 ) Copy/waypoint -596.31, -47.89, -772.64