The circle does not contain anything of note, though Himeka may sense from her connection to the god she found that he is unhappy about the mushroom rings sprouting where they should not.

Combining it with the wood Alucard brought will cause the rot to begin to dissolve. It does not appear to restore the wood to its former condition, however. Combining it with already healthy herbs will cause those herbs to wilt.

Cobblers in the commune tell Thancred that other than slippers worn at home, it's strange to find footprints in the woods with no treads since this is highly impractical. He suggests this means they must not journey on foot as most do. Possibly, they rely heavily on an alternate method of travel.