Excerpts from the Tome of Light and Darkness(7 Days)(Non-tradable)

Cannot trade.

Armor Piercing Value +5 points
All stats +15%
DMG dealt +5%
DMG taken reduced by 5%
When attacking, there is a chance to apply the "Mark of Light and Darkness" to the Target, increasing DMG taken from Holy, Darks, and Physical traits by 10% for 5 seconds, can be triggered once every 10 seconds.
When attacking, nearby allies (excluding self) receive the "Law of Chaos," increasing all stats by 10%, Armor Piercing Value by 3 points, and PEN by 1% for 5 seconds, can be triggered once every 10 seconds, cannot stack with Explosive Chaos.
When attacking, self gains the "Explosive Chaos" status, increasing PEN by 1%, Holy and Dark Skill DMG by 15%, and reducing DMG taken from Holy and Darks by 10% for 10 seconds.
While in the "Explosive Chaos" status, when attacking a Target with the "Mark of Light and Darkness" status, additionally reduces five basic stats other than HP by 15% and HP by 7% for 5 seconds, can be triggered once every 10 seconds.