Troll Unguent

Acquisition
Skill Quests: Skill Trainers:
 * Prophecies
 * Ranger Test (Lakeside County)
 * The Ranger's Companion (Regent Valley)
 * Endangered Species (Old Ascalon)
 * Factions
 * Mantid Hatchlings (Monastery Overlook)
 * Locate Sujun (Shing Jea Monastery)
 * Nightfall
 * Rally the Recruits/Take the Shortcut (Island of Shehkah)
 * Prophecies
 * Sir Bertran (Ascalon City)
 * Dakk (Ember Light Camp)
 * Factions
 * Zhao Di (Shing Jea Monastery)

Profession Changers:
 * Core
 * Profession Changer (NPC) (Great Temple of Balthazar)
 * Prophecies
 * Telius (Seeker's Passage)
 * Factions
 * Senji (Senji's Corner)
 * Nightfall
 * Zuwarah (Command Post)

Trivia

 * An Unguent is a kind of substance used in the treating of wounds.