The Blackcats busted free from a 2-2 deadlock after the first period, scoring the last four goals to post a 6-2 win over Potsdam (NY) in Sunday's semifinal match in Amherst, NY.
Emily Sutton scored to open the game for Potsdam in the middle of the first period to give the New York squad a 1-0 lead.
But then the 'Cats would take advantage of two power plays in the second half of the opening period to take a 2-1 lead.
First, Abbie DeLong scored at the 13:15 mark to tie the game, with assists to Amber DeLong and Natalie Roussopoulos. Three minutes later, Lilly Accola did the same while playing on the numerical advantage to put the 'Cats up 2-1, with helpers to Paige Rodriguez and Juneau Paulsen.
Twenty-two seconds later, Elly Gamble scored for Potsdam to knot the game at two apiece and that's how the period ended.
But the rest of the game was all Blackcats, as the WI club killed off four penalties and goalie Alesha Smith kept everything out of the net as the 'Cats dominated the last two periods of play.
Mallory Thompson scored on the PP just 20 seconds into the middle period to make the score 3-2, with helpers to Jenna Bergmanis and Amber DeLong.
Then in the middle of the period, Amber DeLong scored a goal of her own to make it 4-2, and that's how the period would end.
The Blackcats scored on either end of the third to account for the final scoring.
Just less than three minutes in, Amber DeLong scored on another power play for the 'Cats, with assists to Thompson and Accola.
Then as time was winding down, Kami Krumenauer scored an empty-netter with just 17 seconds left, helped out by the sister act of Amber and Abbie DeLong.
The 'Cats held a slight 28-25 shot edge in the game, with Smith stopping 23 shots.
The Blackcats will take on the Vermont Shamrocks at 8:30 on Monday for the Tier II 16U National championship.