Bonded Pair

Bonded Pair is a skull in Halo 2: Anniversary, part of the Master Chief Collection. It can only be obtained by pre-ordering the game from ShopTo.

Effect
Upon the death of a teammate in Cooperative Campaign, the remaining players will be given a 100% damage increase for the following 60 seconds. It is currently unknown if they will stack, with multiple deaths.

Trivia

 * The Bonded Pair skull will be made available to all players on the 12th of December 2014.