He redoubled his assiduity in the practice of arms; and sometimes when fighting with Sandy, he would think that he had an English man-at-arms before him, and would strike so hotly and fiercely that Sandy had the greatest difficulty in parrying his blows, and was forced to shout lustily to recall him from the clouds.

He no longer played at ball with the village lads; but, taking the elder of them aside, he swore them to secrecy, and then formed them into a band, which he called the Scottish Avengers.

With them he would retire into valleys far away from the village, where none would mark what they were doing, and there they practised with club and stake instead of broadsword and pike, defended narrow passes against an imaginary enemy, and, divided into two parties, did battle with each other.
The lads entered into the new diversion with spirit.

Among the lower class throughout Scotland the feeling of indignation at the manner in which their nobles had sold their country to England was deep and passionate.

They knew the woes which English domination had brought upon Wales and Ireland; and though as yet without a leader, and at present hopeless of a successful rising, every true Scotchman was looking forward to the time when an attempt might be made to throw off the English yoke.
Therefore the lads of Glen Cairn entered heart and soul into the projects of their "young chief," for so they regarded Archie, and strove their best to acquire some of the knowledge of the use of sword and pike which he possessed.