After exploring for a long time, Yi Yu's eyes finally stay on one side of the wall.

this thatched cottage is built of ordinary wood. Countless fine scratches can be seen on the thin wood wall. It's the traces left by the sword Qi. It's dense and dense. It's just like the trace of years. It seems disordered and disordered. It's like the trace of years. But Yi Yu's mind is shrouded in the doorway of kendo. He has sensed the implication It contains profound sword meaning.

"this is the sword test wall of Yi Laozi!"

Yi Yu is frightened. The sword trace will reflect the sword meaning of the...