迴力鏢

How to unlock

Track it, then collect 6 fragments

1. 1Open the weapon menu and track this weapon. Tracking marks fragment drops for it as priority loot.
2. 2Run missions and pick up 6 weapon fragments from boss kills, contract rewards, and chest loot. Every tracked-weapon fragment counts toward the same total.
3. 3Once you have all six, the weapon unlocks for purchase or use across runs.

Required item: Item Boomerang Blueprint