Adjudicate The Arbiter

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This article is about the achievement in Halo Wars. For other articles including "Arbiter", see Arbiter (disambiguation).
Adjudicate the Arbiter

Adjudicate The Arbiter is an Achievement in Halo Wars and Halo Wars: Definitive Edition that is unlocked when the player completes the campaign on the Heroic difficulty.

It is worth 30 Gamerscore in both games.[1]


  • The achievement seems to be a judge's gavel hitting the Arbiter's head.
  • To adjudicate means to judge, or come to a verdict, hence the presence of the gavel. An arbiter (or arbitrator), adjudicator, and judge all serve similar roles.