The ancient house had over a hundred manuals on its sandalwood bookshelf, with three manuals and two techniques at the topmost layer. There was one manual and two techniques there.,"My Divine Spirit of Heavenly照明, let the aura conceal and perception enhancement, if cultivate the Cross Shadow Killing術, will certainly complement each other.",Lin Feng subtly shook his head. Old Northern didn't mention this huge door to him, and it was clear that Old Northern as well as the predecessors from Cloud Sea Sect never opened this door before.。