It was precisely because that star field had the Immortal corpse of Hongmeng Great Emperor that they could hold back that avatar, using immortal means to cause trouble for it.
Otherwise, the Heaven Stealing Great Emperor and the Supremes surrounding the Archaic Star Field would not have been enough for the avatar to slaughter!
The avatar had also once tried to rescue Empress Tai'e, who was nailed to the cross, but could not get close at all.
Chapter 172