Rockman Mega World: Mega Water S Stage (3-Loops)
Mega Water S' stage BGM from the Wily Tower mode of Rockman Mega World.
The cool and calculating member of the Mega World Unit is modelled after Sha Wujing (AKA *S*a Gojou), the sand demon reinterpreted as a Kappa in Japanese versions of Journey to the West. A master of aquatic combat, he attacks Rock in midst of a great lake, firing harpoons at him underwater and using high pressure water streams to attempt to knock him into spikes out of it while also making use of a barrier to attempt to ram our hero.
Despite his stated lack of combat ability compared to G or H, I've always found S to be the hardest of the trio to take down...