This DLC includes the following items:

①Enforcers--A legendary weapon exclusive to the Rogue.
Equip Enforcers to obtain the following effects: "Increased Runes Gained", "Increased Crit", and "Increased Max HP".

②Voidstone--A rare Magistone.
Set it in a weapon slot to obtain the following effect: "Increased Stun Resistance".

More details on the official game page of Rogue's Special Weapon & Voidstone Set ...