You can only get the Goblet of Gains by facing the two-headed boss of World 1: the cardio twins, Steady-State and HIIT. Free Buff Dudes: Journey for the Goblet of Gains Training Program â-º Buff Dudes Muscle-Building Stack â-º You’re lifting hard and eating right, and stories of your exploits are starting to echo across the land. But if you want to last throughout nine brutal levels and taste from the sweet Goblet of Gains, you’ll need more than strength. You’ll need endurance, too. And you can only get it by facing the two-headed boss of World 1: the cardio twins, Steady-State and HIIT. You’ll find the details of your cardio plan repeated on the daily pages of the training program, but here’s the high-level overview: do steady state cardio