Hank is able to mentally control one billion robotic life forms:
And as you can see, Hank's control over said robots is fine tuned enough that he can actually meld them into [enormous] basic constructs, and use them offensively.
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Hank's immortality extrapolated on...
"And this is why Cyborg Superman can never die -- Because he is, in truth, already a ghost... A consciousness of pure energy that can jump from machine to machine":
(He then jumps into Boodikka's vessel)
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Hank (in his human form) does battle with the guardian of Boodikka's power source (her own willpower):
Even though Boodikka seemingly won, Ganthet notes that she seems different... ie. Hank will return soon enough.