Felwort

SS Stormheim

Felwort is an herb introduced in Legion and can be found around the Broken Isles.

More demon than plant, the bulb boils, bubbles, and seethes with a foul energy. It is smooth, dry, and cool, yet quite painful to touch.

Source
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It can also be obtained from Blingtron 6000 Gift Package.

Alchemy

 * Infernal Alchemist Stone

Enchanting

 * Enchanted Torch
 * Immaculate Fibril
 * Soul Fibril

Engineering

 * Intra-Dalaran Wormhole Generator
 * Semi-Automagic Cranial Cannon
 * Mecha-Bond Imprint Matrix

Inscription

 * Aqual Mark
 * Darkmoon Card of the Legion
 * Straszan Mark

Jewelcrafting

 * Saber's Eye

Tailoring

 * Imbued Silkweave Hood
 * Imbued Silkweave Pantaloons
 * Imbued Silkweave Robe

Objective of

 * Felwort (quest)
 * Lining the Crucible