New DLC introducing the Ninja class, and a number of ninja related items!
Specifics:
12 new "Throwing" weapons with unique playstyles: bouncing chakrams, various bombs, and healing salves. (Very versatile)
3 new Ninja themed melee weapons
A Brand new NINJA class with a full set of passives, abilities, outfits, ability to carry main weapons in it's secondary slot, and a new weapon category: Throwables! (You can preview the NINJA in the Hero menu)
New Ninja variations of almost all existing outfits
3 new Ninja based Gadgets, revolving around move speed, fire, and extreme power!