At the start of the "Relentless as a Waterfall" Scenario, Mipha and Sidon come upon a fork in the road while piloting Divine Beast Vah Rudania to Akkala Citadel.[4] The eastern path takes them through Cephla Lake, which is a longer journey with the advantage of abundant Water.[5] Both pathways lead Vah Ruta to Akkala Citadel.
As part of the "Defending Cephla Lake" Challenge, Sidon notices a horde of Monsters while piloting Divine Beast Vah Ruta.[6] Fearing for the safety of Akkala Citadel, he takes it upon himself to fight off the Monsters using Vah Ruta.[6]