Bloodless Scream is a Unique Two-Handed Scythe. It can only be used by Necromancers.
Effect
Your Darkness Skills Chill enemies for up to 100% and deal [100 - 200]% increased damage to Frozen enemies and bosses. Every 800 times you damage enemies with Darkness Skills, all Nearby enemies are Feared for 0.25 seconds before Freezing for 3 more seconds.
How to get Bloodless Scream
You can farm this unique from Echo of Varshan
"My companion swung her odd weapon in a wide arc, and our pursuer stopped short. The look of horror on his face as his body fell to pieces will haunt me forever." - The Ebon Pages, Canto II, Verse XI