The Myrmidon seemed to know what the shield was, or maybe, Gwen thought, what was behind the thing: he aimed his energy beams at the shield but showed no surprise when the beams washed over the armor without harming it.
The Myrmidon was tracking the escaping Lugs: they were all still within sight. It looked back at Harry and his crew, who were locking their machine down and aiming a barrel toward the Robot King. Gwen couldn't see what they were doing back there. When she turned back to the Myrmidon, she saw that he was looking right back at her.
"That's got it!" cried Harry. "Turn 'er on!"
The machine behind their armored shield warmed up with a deep, low tone. The air in front of its barrel rippled in the shape of a cone: the team swept that cone toward the Myrmidon.
The Myrmidon was fast. He darted out of the cone's field again and again while the crew tried to bring their barrel to bear on him. Gwen wondered why he didn't just run - he definitely had the speed for it. Harry and his team couldn't possibly keep the robot in range.
But the Myrmidon kept looking over his shoulder at the departing Lugs. He seemed content to keep dancing out of range while they made their escape. And finally, Gwen understood why.
He was one of the good ones, wasn't he? Or at least he had decided to be.
She grabbed Rusty's shoulder. Part of her started to hope that the Myrmidon would wi