The old headquarters of the Hundred Beast Factions.
"Master?! Are you going to deploy the mountain defense formation?"
Chen Xiaobei had brought Feng Qingyang along to the mountain – the old man was surprised when he was told to employ the spell in question.
To deploy the mountain defensive was pretty straightforward – it was nothing other than employing a huge protective magic circle that will cover the entire mountain range and prevent against interlopers.
Feng Qingyang was a man of knowledge, and there were many occasions that he could simply say "been there, done that". However, he had never heard of making such a large protection circle – he had never heard of such a spell in the multitude of ancient scrolls and tomes he had went through.