Unlock Location:
- Continue through the story until reaching Cuspid Climb in the Terminus Range area.
- You will find a Auger Mine, at the end you will encounter the boss Shadowpelt.
Farm Method:
- Defeat Shadowpelt at the end of the Auger mine "Whistler's Maw".
- Use the Encore Machine nearby to reset the fight.
- Repeatedly defeat Shadowpelt until
Vamoose drops.