 John and Kanyenke then set out to follow Warwick , first earning the respect of the Great Plains tribes by good deeds and helping to defend them against Warwick 's forces , then they intercept Warwick 's supply train and destroy a fortified Circle base in the mountains . They soon discover that Warwick and his soldiers have fled even farther west , to act as a checkpoint at Alaska , where they notice the Circle 's new ally , the Russians . They realize that the Circle plans to capture British and French colonies and towns while their soldiers are at war with one another , and that Warwick wants the Circle of Ossus as the new leader of the New World . 
