After dominating the competition all year, the Storm last night advanced to the club's eighth season decider and second in a row.
With Cronk set to retire or move to a Sydney-based club after season 2017, it ensures the Storm will have plenty of motivation as they get set to face the Sydney Roosters or North Queensland on Sunday week at ANZ Stadium.
After being wasteful in the first 40 minutes, the minor premiers went into the breakup 8-0 but turned it on the second stanza, running in three tries including a Billy Slater double.