[2][3] Bruce was crowned King of Scots by Bishop William de Lamberton at Scone, near Perth, on Palm Sunday (25 March 1306).
[5] Pembroke moved quickly, and by the middle of summer he had made his base at Perth, along with Henry Percy and Robert Clifford with an army of about 3000 men drawn from the northern counties.
[6] It is possible that the order of "no mercy" had not reached King Robert because he resorted to a chivalric tradition and called on de Valence to come out from the walls of Perth and do battle.
The king bivouacked his army some six miles away in some woods that were on high ground near the River Almond.
At the last, a small force of Scottish knights including James Douglas, Neil Campbell, Edward Bruce, John de Strathbogie, Earl of Atholl, Gilbert de Haye and the king formed a phalanx to break free and were forced to flee in a shattering defeat, leaving many of the king's most loyal followers dead or soon to be executed.