Find power core is an objective in the Story Mission, Shooting The Moon in Borderlands 2: Commander Lilith and the Fight For Sanctuary
- Jump onto the nearby walkway just south of the Moonshot.
- From there, use that walkway to head to the West and into the newly opening door here.
- Follow the corridor and drop over the ledge to reach the Arsenal.
- Landing here will trigger the next boss fight against: Uranus Bot.