Before you go battle, set all players to aggressive and get 4 X-treme squares, and make yourself as juggernaut with PATH OF DESTRUCTION as your R2-Triangle attack, when your there ignore stryfe completly (your partners will attack him) and attack the brain trust with PATH OF DESTRUCTION, when all of them are destroyed, attack stryfe with your teammates

P.S. If Stryfe comes near you, beckon your teammates