C410 Chrysanthemum residue

In the middle of the night, a black shadow laid on the wall of White Cloud Monastery's backyard. Lin Yiyuan was exceptionally alert as he stared at the black shadow through the window with a serious expression, but he did not act rashly.

The black shadow laid motionlessly on the wall, its appearance could not be seen clearly, to the point that Lin Yiyuan had an illusion.

As he was thinking