Total Concentration! Demon Slayer: Kimetsu no Yaiba, the record-breaking manga and anime, has arrived into the bubble-gum brawler Ninjala in a brand-new collaboration. This is the largest collab Ninjala has ever seen, so players will have to concentrate their breathing and start gourd training to get all of the great rewards from now through August 30. The Demon Slayer Corp has gathered its bes... more.