What does kabuto show tobi in the casket?

In "Naruto," Kabuto reveals the casket containing the body of Madara Uchiha to Tobi. This moment signifies the resurrection of Madara, who is a pivotal figure in the series and a major antagonist. Kabuto's display of the casket is a crucial turning point, as it sets the stage for Madara's involvement in the Fourth Great Ninja War and his complex plans regarding the future of the ninja world.