Necron's Blade Scrolls

Necron's Blade Scrolls are a series of scroll that can be applied onto a Necron's Blade and its upgrades Hyperion, Scylla, Astraea, and Valkyrie to give them abilities. There are 3 currently known scrolls: Implosion, Wither Shield, and Shadow Warp. There is also a scroll made up of all 3 scrolls combined called the Wither Impact.

Wither Shield
This scroll can be applied to a Necron's Blade granting the Wither Shield ability

Reduces damage taken by for  seconds. Also grants an absorption shield that gives of your Critical Damage as health, after  seconds  of the shield is converted into healing

Wither Impact
Teleports ahead of you. Then implode dealing damage to nearby enemies. Also applies the wither shield scroll ability reducing damage taken and granting an shield for  seconds.