WARNING: this next story involves language that may not be appropriate for young listeners.

In January, the Hearthstone Winter Playoffs begin, where the digital card game’s best players from around the world will compete. But Hearthstone--like much of esports--is still a boy’s club. In total prize money, the top male player has earned 13 times more than the top woman. And beyond the pay gap, women face online harassment and a shortage in sponsorships. Carrie Monahan reports.