The night slough can be exchanged for a stone protector reset device, a disposable stone protector synthesizer and a disposable rune synthesizer at NPC Lucille Redmain Store.

Night slough is a substance condensed from the devil's breath of members of the dark Sect. You can get this prop in the underground city of Exile Mountain.

The stone protector reset device can randomly change the rune flavor given to the stone protector, and can only be used for the professional stone protector. Rune breath * * * Taraku stack, defend to the death, the second agreement, the ancient library, the magician club No.5 middle school.