What is the outcome for John Thornton when faced with the Yee-hats?

The outcome for John Thornton when confronted by the Yee-hats is indeed tragic; he is killed alongside the group. This scene is significant as it highlights the brutal reality of survival and conflict in the wilderness during the time period of the story. Thornton's death underscores the dangers that characters face in their struggle against both nature and human adversaries. Not only does it represent the loss of a significant character who had shown kindness and loyalty to Buck, but it also marks a pivotal moment in Buck's journey, pushing him further into the wild. The story uses this event to illustrate the harshness of life in the Yukon, where even the most noble and good-hearted individuals can fall victim to violence and betrayal.