Sentence:  How did Hercules (Herc. of antiquity) slay the Hydrant and cleanse the stables of Oregon? Did it all by main force, didn't he? Power? Shenanigan? <WSD>Skulduggery</WSD>? Of course he did. 
Meaning of the word marked with <WSD> tags:  Dishonest, underhanded, or unscrupulous activities or behaviour.