Anyone who was strong enough could feel the foreign Qi filling their surroundings but there was nothing they could do about it. Air Qi was one of those Elements that was pretty hard to dispel as it was mixing with the air which was everywhere in the atmosphere.
They could only separate themselves from it with a barrier but they were still surrounded by it.
"Huh?" The old man quickly noticed the wave of Qi rushing towards him and his eyes immediately opened wide. The sheer amount of it was even more than the maximum capacity of his dantain yet Xuefeng was capable of putting out even more.
He didn't hesitate and escaped from the zone, not willing to face anything that the youngster was cooking for them.