Warrior Ice Arena | 269 followers on LinkedIn. The Official Training Facility of the Boston Bruins. | Experience Warrior Ice Arena, the Boston Bruins new training and practice facility that’s also available to the public. The 200′ x 85′ arena complex hosts college, high school, youth and amateur level hockey with seating for over 500 spectators. An immersive hospitality suite is available for corporate and institutional gatherings.