To the surprise and delight of many Destiny 2 players, last night Bungie unlocked all the previously time-gated Fragments for Lightfall's new Strand subclass. Once you acquire them all, you can then unlock the Exotic quest for the new sidearm Final Warning, and that quest has in turn led players to a parkour time trial which absolutely whips.
Final Warning is a Strand primary weapon with a few special abilities. You can hold the trigger to mark enemies in range and fire a volley of special bullets which track marked enemies. Players quickly learned that the tracking on these rounds is pretty aggressive, and quite possibly a problem in PvP (where the gun has infinite ammo, being a primary).
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