The main stuff was already covered but there's also the skill 621 has which is insane and should be mentioned 621 is a stupidly skilled AC pilot with a "fried brain" (said by Walter in the first mission) to a point where 621 canonically cleared each route (Or at least in Alea Iacta Est) with LOADER 4 (Seen in the A.I.E. end cutscene), arguably the lowest quality AC in the game next to MAD STOMP. 621's skill is enough that ALLMIND with the arena evaluation and analysis programs used 621 as a reference for improving its AI enough to take on Carla and Walter successfully in the 2nd to last mission of the A.I.E. route The most worthwhile things to point 621 beat is Balteus (autonomous PCA weapons platform), a C Spider (autonomous coral weapon), multiple PCA warships, LC / Light Cavalry + HC / Heavy Cavalry mechs (All "cutting edge" technology , the Ice Worm (Another coral weapon, with 621 needing the stun needle launcher to break through its shield and Carla's big railgun thing to...
