Group 1: PPC Group 2: AC/20 Group 3: MLas Group 4: SRM Group 5: PPC/AC/20 together (pinpoint pain) The Orion's not really built for being the center of attention, so shoot at the target that big assault you're following is shooting at. An AC/20 couples with a PPC pointed at the same location at about 300 meters will rip open side torsos like a hot knife through butter. Jagers, Atlases, Stalkers, Highlanders, Hunchbacks... This Mech finally taught me to focus my fire and aim for vulnerable weakpoints, and it's hard to argue with the effectiveness of 30 points of damage right where you want it. Heat allowing, follow up with the MLas for an extra 10 points of damage. MLas should mainly be used as either a finisher, or chasing lights. They generate a little bit of heat, but they and the SRM 4 can often be used to land a final blow on an exposed engine, taking a mech out of the fight. Alt. Version- Drop the SRM to upgrade to Pulse Lasers and better cooling efficiency.