The two guards were both eighth level empyrean realm, and the kind very capable at fighting to boot. They were just a small step away from ninth level.
Though Imperial Prince Huo had several seventh level empyrean cultivators with him, there was a huge difference between the seventh and eighth levels.
Three seventh level empyrean experts could perhaps just barely maneuver against an eighth level one, and it would be a struggle to do so.
Moreover, these two guards were obvious veterans of battle. One guard could possibly take on four of them.
If there was a fight, Imperial...