A Boss is a Mii who you face at the end of a level in Swordplay Showdown. They are the hardest Mii of a level and need to be defeated to finish a level. All bosses are not seen in any other level and have purple swords with black armor and 3 hearts, which has 3 different designs. Starting on Level 10, The Boss will be very defensive and will strike often.

Bosses in each level: