Aerial Crusader Chain of Aggression

Aerial Crusader Chain of Aggression is an uncommon necklace available from the PvP vendors.

Obtained from

 * Aquaman in the Magic Wing (Watchtower)
 * Hawkgirl in the Meta Wing (Watchtower)
 * Robin in the Tech Wing (Watchtower)

Trivia
A necklace with PvP item level 77 are a must-have to complete PvP level 77 and unlock PvP level 81 gear at the vendors.

The item is available since game update 25.