Luke Humphries produced a dominant display to dispatch Damon Heta 8-2 and clinch his maiden World Series of Darts title in Saturday’s New Zealand Darts Masters final. Newbury-born Humphries has been the sport’s dominant figure throughout the last 12 months, although success on the World Series stage had proven elusive. The world number one broke new ground in Hamilton, defeating Michael Smith, Luke Littler and Heta to pocket the £20,000 top prize. Heta drew first blood in Saturday’s showpiece, although Humphries soon seized control, winning five straight legs to establish a 5-1 cushion, featur…