Sentence:  Though with a slash a Pomp's gut he could slit, / On his own work he worked his <WSD>weaponed</WSD> wit / And penned with patient skill and lore immense / Prodigious mind, keen ear, rare common sense, / Only those words he could crush down no more / Like matter pressured to a dwarf star's core. 
Meaning of the word marked with <WSD> tags:  Equipped, prepared.