"As of the end of the second quarter, Diablo IV had sold-through more units than any other Blizzard title at an equivalent stage of release," it said in its second quarter earnings report. Diablo 4's release drove a record three months for the Blizzard business segment, which delivered its first $1 billion net bookings quarter. During the three-month period ended on June 30, Blizzard revenue grew over 160% year-over-year and operating income more than tripled year-over-year, each setting new quarterly records, according to Activision.