Red Blades

 is a weapon item introduced in Total War: Warhammer II. It is a legendary item for Lokhir Fellheart.

It is a hidden legendary item. The quest to unlock it will appear when Lokhir Fellheart reaches rank 2 (as of the Doomsayers Update). The quest requires you to capture and occupy the Karond Kar settlement in The Broken Lands. After completing this you will be rewarded with +10,000 treasury and the Red Blades.

Description
These blades gain their red hue from both the Indan bloodsteel from which they are forged, and the viscera which so often covers them.

Effects

 * Melee attack +10
 * Weapon strength +15%
 * Enables sundering attacks
 * Income from sacking settlements +20%

Source

 * https://www.youtube.com/watch?v=degnJa5-la4