They face two past Saiyan warriors in a "Spirit Room" simulation and realize they are nowhere near strong enough yet to face the upcoming threat of Nappa and Vegeta. Dragon Ball Super (DBS): "Pan is Born!" TV REVIEW: Dragon Ball DAIMA – Episode 17: Gomah
While Goku is on Snake Way, the other Z-Fighters (Yamcha, Tien, Krillin, Chiaotzu) train in a virtual simulation at Kami's Lookout.
In the most recent series (2025), Episode 17 is a high-stakes action climax.
Building physical endurance and discipline rather than just learning techniques. Dragon Ball Daima: "Gomah "