Ignis the Furnace Master, Razorscale, Kologarn, and Auriaya do not have hard modes.Algalon does not have a normal mode.That puts the final number of bosses with hard modes at 10.

• 摘要：暴雪对奥杜尔首领战的难度设定进行了官方说明，奥杜尔的困难模式战总计有10场.；另外阿加隆不会有普通模式。