Swan Princess: Mystery Of The Enchanted Treasure  (1988, U.S.A.)

Zelda, an evil sorceress, plans to wreak havoc on the peaceful land of Swan Lake by stealing the Forbidden Arts.  It’s a magical treasure that gives its keeper unlimited power.  As part of her evil plan, Zelda kidnaps Odette, the Swan Princess, and demands that Prince Derek turn over the Forbidden Arts in exchange for her safety.  The Prince then must face Zelda in an exciting showdown to rescue the Swan Princess!