From VG247: “The Crimson Days event has started, so grab a buddy and jump into Destiny 2.
Crimson Days runs from February 12-19 and Lord Shaxx has several duo-themed bounties for you. Whether thats getting kills in the Crucible or completing strikes in a team of two, theres plenty to be getting on with.”
Source: N4G PC Destiny 2: Crimson Days – how to get The Vow bow