The Sword Flying trick was first extensively demonstrated on Metropolis. The procedure for executing it is somewhat complicated; it involves parking a Warthog in an area where a Phantom attacks, targeting the plasma sword on one of the Phantom's turrets, and then waiting until the Phantom has withdrawn before exiting the vehicle. You will be propelled in whatever direction you face; this method can be used to extensively explore the level, including otherwise unreachable areas and is a way to retrieve the Scarab Gun without a Banshee (although you can't get back down with it...)
Basically it seems as if the sword lunge attack has issues dealing with targets that are out of range, and this is one manifestation of it; it may be possible in other levels as well.
Comments
Anonymous (not verified)
yo
Anonymous (not verified)
Scarab Gun