Strands of azure spiritual energy drifted out from Lin Xuan's body, forming an azure sphere the size of a fist and wrapping the two men's blood within it.
Lin Xuan folded his arms, each hand forming a sword incantation, and murmured obscure, incomprehensible spells under his breath.
All at once, his eyes flew wide open. Staring at the stone door before him, he waved both hands again and again, sending one spell seal after another into the stone door.
A hint of nervousness also appeared on Lin Xuan's face. These spell seals were all things he had comprehended from the tiny, fly-head characters on the stone door; as for whether they would definitely work, he did not have much confidence in his heart.
After all, he only recognized seven or eight tenths of those ancient characters. There were still a few meanings that were not very clear. As the saying went, a miss by a hair could lead one a thousand miles astray. If he had made even the slightest mistake in the spell just now and failed to lift the restriction smoothly, it would be perfectly normal.
Just as Lin Xuan was feeling anxious and uneasy, blue light suddenly blazed up on the stone door and began flickering erratically. Lin Xuan was overjoyed. He stretched out a finger and pointed at the azure sphere before him that was wrapped around the blood, then gave a light shout, "Go!"
After a flash of azure light, the sphere sank into the stone door.
A low, whining hum entered their ears.
Then the light barrier on the stone door alternated ceaselessly between azure and blue, looking strange to the extreme.
"Break!"
Lin Xuan opened his mouth, and a thread of core fire as fine as gossamer sprayed out. Though the core fire