Challenge Card: Mecha-Bruce

Challenge Card: Mecha-Bruce is a Challenge Card that can be purchased after finding the Modified Chomping Apparatus by purchasing Challenge Card: Bruce and defeating Bruce, then turning in the resulting quest, Modified Chomping Apparatus (quest), back to the card traders at the Brawler's Guild for :
 * , Brawl'gar Arena
 * , Bizmo's Brawlpub, Deeprun Tram