prodigy

(noun) an unusually gifted or intelligent (young) person; someone whose talents excite wonder and admiration. Example: "She is a chess prodigy."

(noun) a sign of something about to happen. Synonyms: omen, portent, presage, prognostic, prognostication. Example: "He looked for an omen before going into battle."

(noun) an impressive or wonderful example of a particular quality. Example: "The marines are expected to perform prodigies of valor."