Well, not having full knowledge of the 'Walter Soboleff Building Strong Man Story', we can still make some assumptions about the key elements. Firstly, Walter Soboleff's own qualities must have been a factor. If he was a wise, experienced, or inspiring person, that would have been crucial. Then, there would be the development process of the strong man. This could include training regimens if it was about physical strength, or educational and mentoring aspects for mental and moral strength. The story might also involve the strong man's own motivation and how Walter Soboleff tapped into that. And finally, the impact of their relationship on the surrounding community or people could also be an important element of the story.
The key elements in the 'Walter Soboleff Building Strong Man Story' could potentially be the relationship between Walter Soboleff and the man being built up. It may involve the values that Soboleff instilled in the man, like perseverance, determination, and self - discipline. Also, the environment or community in which this building process took place could be an important element, as it might have provided either support or obstacles. Additionally, the goals and aspirations of the man being developed would likely play a significant role in the story.
Since I don't know the exact story, it's hard to determine the key elements. But it might include the role of Walter Soboleff himself, the methods he used to build the strong man, and the challenges they overcame together.