Hermann had two goals and an assist, while Edward Lynch had a goal and an assist.
Mahwah needed overtime to take down fourth-seeded Ramsey on the road. Derek Ernst put home a feed from James Kessler for the golden goal in double-overtime, while Arjan Bhasin made five saves in the shutout.
Junior forward Jules Blaustein has six goals and four assists, while freshman midfielder Jake Garza has a goal and six assists.
Its offense is averaging just under three goals per game and has scored three or more goals 11 goals per game.