"The Ark (level)/Walkthrough"@en . "Halo 3 Campaign Walkthrough for:"@en . . "The Covenant"@en . . "The Ark"@en . "The Ark is a large level composed primarily of large, open outdoor sections and the narrow hallways of Forerunner structures. The level is very -heavy; in particular, it may contain more Covenant Wraiths than any other level in the game."@en . "Floodgate"@en . "The Ark is a large level composed primarily of large, open outdoor sections and the narrow hallways of Forerunner structures. The level is very -heavy; in particular, it may contain more Covenant Wraiths than any other level in the game."@en .