Cavalier
From Halopedia, the Halo wiki
Cavalier
Cavalier is a Halo 3 Meta-Game Achievement. It is earned when the player earns 15,000 points while playing the meta-game on Tsavo Highway. This Achievement gives 10 Gamerpoints to the player. A cavalier is a mounted soldiers, during the level there are multiple opportunities to "mount" a vehicle.
It is represented by a blue circle with a winged sword.
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