The Barons used a 9-3 advantage in the first half to carry themselves to the six-goal victory.
Franciscan put together a pair of runs in the frame to help them take the early advantage.
The visitors opened the scoring in the eighth minute as Karly McDonald scored the first of three-straight goals to help the Barons take a 3-0 advantage.
Hiram got on the board at the 17:59 mark of the first half when Sierah Ray tallied her first of the game on an unassisted goal to cut the advantage to 3-1.
Franciscan then responded with four more unanswered tallies, including three straight by Elizabeth Dawyot, to stake themselves to a 7-1 lead.
The Terriers answered back with back-to-back goals from Autumn Osgood and Ray before Franciscan tallied the final two markers of the half to round out the scoring in the first 30 minutes.
The Terriers got themselves back into the game in the early stages of the second half thanks to a 4-1 scoring run that pulled the score to 10-6. Osgood had a hand in all four goals, scoring twice, including once on a free-position attempt, before assisting on a pair of goals by Kayla Jenkins.
Osgood finished the game with seven points, including four goals and three assists, while Jenkins tallied her fourth hat trick of the season.
Franciscan closed the game strong, outscoring the Terriers 5-2 over the final 10 minutes of the game to take the win, 15-9.
Hiram, who came into the game averaging over 14 goals per night, was held to single-digit scoring for just the third time this season. Along with the seven combined goals from Osgood and Jenkins, Ray finished with a pair, giving her 30 on the year.
Defensively, the Terriers tallied 12 caused turnovers on the day, including a career-high four from Mercedes Jones.