Fast Style
Blue stance, also known as "Fast" or "Light" is the quickest of the single saber stances. This is the stance the player starts with, and it is also available with dual sabers. It is the weakest and shortest reaching of the three stances, which results in it getting little use. Despite this, if used well, it can be very effective when used in counter-style due to its very high speed, and unlimited combo chaining.
Single Player:
Unlike in Multiplayer, the player must choose this stance as they progress through the campaign. The player can move during this style's kata attack as well, whereas in MP you're forced to stay still.
This style has roughly the same defense strength as medium and strong styles (in MP it is likely weaker). It's swings are faster and weaker, but ability to parry swings and deflect blaster fire is faster than the other styles, and more pronounced than in multiplayer.