Ward Against Harm

Acquisition
Signet of Capture
 * Prophecies
 * Arkhel Havenwood (Frozen Forest)
 * Perfected Aegis (The Battle for Lion's Arch (explorable area), only during The Battle for Lion's Arch)
 * Eye of the North
 * Frazar Frostfur (Grothmar Wardowns, only during Against the Charr)
 * Spafrod Iceblood (Sacnoth Valley, only after Assault on the Stronghold)

Trivia

 * In pre-Searing Ascalon, Elementalist Aziure is researching this spell and even enlists the player to help her at one point.