''Alright.'' Sam said, turning to the two young Valkyries. ''Get over here.''
Once everything was ready, Zero Five prepared to take off. She waited for Sam to give her the go, but before he does there was one more precaution he had to take.
He opened a large box he had the drones place over a platform he previously built. Inside it was a fist sized sphere made out of several overlapping rings with multiple cords connected to it in several places.
''Hm? What's this?'' B3 asked, blinking a few times as she peeked into the box.
''That's the heart of a Valkyrie.'' Sam replied, his eyes on the tablet in his hand.
''Eh? This thing?''
''Yeah. Though with a few tweaks here and there.''