User blog comment:EpicGamerWorld/Destiny "Vault of Glass" Raid Final Boss (EASY WIN TUTORIAL)/@comment-24.67.96.12-20140928220555/@comment-88.66.134.54-20140929084559

In addition to using an sniper rifle, use a fully upgraded Gjallarhorn, if available, or any rare or higher Rocket Launcher with the "Cluster Upgrade". While Time's Vengeance is active, they do a ton of damage. My team managed to take two thirds of Atheon's health with three Gjallarhorns while the buff was active the first time.