Chap. II Aurelius Ambrosius, Being Anointed King of Britain, Burns Vortigern Besieged in a Tower
As soon as the news of his coming was divulged, the Britons, who had been dispersed by their great calamities, met together from all parts, and gaining this new accession of strength from their countrymen, displayed unusual vigour. Having assembled together the clergy, they anointed Aurelius king, and paid him the customary homage. And when the people were urgent to fall upon the Saxons, he dissuaded them from it, because his desire was to pursue Vortigern first. For the treason committed against his father so very much affected him, that he thought nothing done till that was first avenged. In pursuance therefore of this design, he marched with his army into Cambria, to the town of Genoreu, whither Vortigern had fled for refuge. That town was in the country of Hergin, upon the river Gania, in the mountain called Cloarius. As soon as Ambrosius was arrived there, bearing in his mind the murder of his father and brother, he spake thus to Eldol, duke of Gloucester.
“See, most noble duke, whether the walls of this city are able to protect Vortigern against my sheathing this sword in his bowels. He deserves to die, and you cannot, I suppose, be ignorant of his desert. Oh most villainous of men, whose crimes deserve inexpressible tortures! First he betrayed my father Constantine, who had delivered him and his country from the inroads of the Picts; afterwards my brother Constans whom he made king on purpose to destroy him. Again, when by his craft he had usurped the crown, he introduced pagans among the natives, in order to abuse those who continued stedfast in their loyalty to me: but by the good providence of God, he unwarily fell into the snare, which he had laid for my faithful subjects. For the Saxons, when they found him out in his wickedness, drove him from the kingdom; for which nobody ought to be concerned. But this I think matter of just grief, that this odious people, whom that detestable traitor invited over, has expelled the nobility, laid waste a fruitful country, destroyed the holy churches, and almost extinguished Christianity over the whole kingdom. Now, therefore, my countrymen, show yourselves men; first revenge yourselves upon him that was the occasion of all these disasters; then let us turn our arms against our enemies, and free our country from their brutish tyranny.”
Immediately, therefore, they set their engines to work, and laboured to beat down the walls. But at last, when all other attempts failed, they had recourse to fire, which meeting with proper fuel ceased not to rage, till it had burned down the tower and Vortigern in it.