Really, Athlete is getting hung up on taking out Slaze, for Spullla to lose now requires Athlete to absorb Slaze as fast as possible, reposition for against Spullla, and be prepared to lose cities, falling back, and breaking down Spullas' advantage to stop them being able to attack.
And even then, Spullla will galleon drop into the back lines, breaking Athletes back.
And even then, Spullla will galleon drop into the back lines, breaking Athletes back.