Picking reaches and exceeds shred speed, we see the inclusion of harder to play exotic scales with large stretches, and more complex chord voicings, again with large stretchings.
Sweep picking technique with some legato, string skipping, moveable arpeggio shapes and voice leading to make smoother arpeggio changes from one chord to another.
There are many techniques going on here like bending, legato, alternate picking, sweep picking, speed picking. Marty's bending style is unique and also the notes he chooses make him very easily recognizable.