The Collective Obligation is an Exotic Pulse Rifle that was added to Destiny 2 alongside the Witch Queen update. While this weapon may look slightly odd, it's still a force to be reckoned with.
As of now, the Collective Obligation is possibly the second-best Pulse Rifle in the game after the No Time To Explain. During the Season of Plunder, Pulse Rifles have found their place in the PvP meta, and are one of the most used weapon types in PvP currently. Having said that, here's how Guardians can get their hands on this weapon in Destiny 2.
Unlike many other Exotics that drop from random encounters, the Collective Obligation is a weapon that drops from the final encounter in the Vow of the Disciple raid. This raid was introduced with the Witch Queen expansion itself, and is probably the hardest raid in the game right now.
The Collective Obligation can be acquired from the final chest that spawns after defeating Rhulk, the final boss in the Vow of the Disciple raid. However, the drop rates are governed by the game's RNG mechanics. So, Guardians might have to run the activity multiple times before they can get their hands on this raid Exotic. The same holds true for each and every raid Exotic in the game since there is no guarantee when they will drop. Some Guardians have reported receiving this weapon from the final chest after their very first encounter itself, while many others have reported that they only received the weapon after multiple raid completions.
What makes this weapon so good is the perk available on it. The intrinsic perk on this weapon is known as "Void Leech", with its description reading as:
Based on the description of the perk, it's evident that the weapon works rather well with the Void subclass. Although the
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