*Sam emerges from a portal hands the blueprints back to Yang. It's covered in writing.*
Sam: A found a few faults in the design of your gauntlet thingies. By my calculations, these upgrades should increase performance of your gauntlet gun thing by quite a bit. Of course, you may want to double check my calculations. Even I make mistakes. Don't make me wait this long again.
*Sam leaves, grumbling*