Assertion: original hero dial | /r/CapableOf | create his army of super-villains
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Source sentences:
text: While The Master learned genetic techniques that allowed him to create his army of super-villains, the Wizard was driven to create the new H-dials, unconsciously designing limitations into them to prevent what happened to Robby from recurring (only heroic identities, a time limit, and the exclusion of letters other than H-E-R-O; the latter, however, did not prevent Chris from experimenting on one occasion and dialing H-O-R-R-O-R, with disastrous results).