Lion's Comfort

Acquisition
Skill trainers
 * Nightfall
 * Tohn (Kamadan, Jewel of Istan)

Signet of Capture
 * Eye of the North
 * Shons the Pretender (Sacnoth Valley, perhaps only during The Smell of Titan in the Morning)
 * Chieftain Ulgrimar Gnash (Drakkar Lake, only during The Big Unfriendly Jotun)

Trivia

 * The warrior in the image wears Sunspear Armor.
 * A similar looking warrior also appears on the skill icons of Headbutt, Flail and Enraging Charge.