Warrior SKF was a heavyweght built by Team Whyachi. It was a rebuilt Warrior. Warrior SKF competed at the BattleBots 2009 Professional Championship. Warrior SKF had a unique weapon: A toothed spinning ring powered the front flipping arm by storing tension. The more tension stored, the more powerful the flip would be. This unique design nabbed Warrior SKF an honorable mention in the Combat Robot Hall of Fame.
Warrior SKF was later used as the main part of Warrior Clan. Team Whyachi's entry for the show's reboot on ABC.