2020

• Glyph of Killing Spree
• Item Level 25Disenchants into:
  Not disenchantable
• Minor Glyph
• Classes: Rogue (Combat)
• Requires Level 25
• Use: Permanently teaches you this glyph.
  Your Killing Spree returns you to your starting location when the effect ends.
• Sell Price: 1

Source

This item is created with Inscription (430); discovered through [Book of Glyph Mastery].

Materials required:

3x [Ethereal Ink]

1x [Light Parchment]

Patch changes

• Patch 5.0.4 (28 August 2012): Changed from Increases the bonus to your damage while Killing Spree is active by an additional 10%. No longer a prime glyph. 
  
• Patch 4.0.3 (15-Nov-2010): Changed from Reduces the cooldown on Killing Spree by 45 sec. 
  
• Patch 3.1.0 (14-Apr-2009): Added. 
  

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB