6 Facts about Tsukasa Shishio, Senku Ishigami's archenemy in Dr. Stone

The Stone World's ultimate powerhouse, Tsukasa's raw strength and combat skills make him nearly unstoppable, especially in the world without weapons.. Tsukasa was the very definition of a reformed man with a good reason to change his ways, especially when he realized that what he did during the earlier part of the storyline was wrong. As such, Senku was determined to save him because he knew that Tsukasa was a changed man who deserved a second chance at life.

Tsukasa could just as easily pick an evil young person to revive instead of a good one. Tsukasa is just ageist. Tsukasa also wants to prevent the reconstruction of modern technology which is outright just stupid and will lead to more people suffering. If someone gets sick or hurt badly, they're screwed.. Does Tsukasa Shishio Become Good? After a conflict in his war against Senku, Tsukasa Shishio decides to abandon his villainous ways, motivated by Senku's promise to revive his sister, Mirai Shishio.