Maybe Drive Knight will survive and gain his own will. I mean Dr.Bofoy just hinted about the possibility last chapter and Drive Knight said that he can feel him self, not to mention the pause "..." when he talked about justice, a bit weird for a mere robot.
Saitama only destroyed his body, his core is probably still safe.
My condolescent for Genos but the king joke really crack me up.
King's power is too strong for a mere robot

Truly the strongest living being on the planet.
P/S: Drive knight said that he can "feel" something inside himself after being flicked by Saitama, is that a coincidence or Saitama's flick really help with that ? That mean Saitama power is not just raw physical power, it is akin to reality warping, meaning as long as he wish for it, he can make it happen. Like this instance he flicked Drive Knight with the intention of " awaken "your own will"" and Drive Knight really did start "have a feeling" despite being a robot.