Throbbing Swampfly Venom Sac

• Throbbing Swampfly Venom Sac
• Item Level 40
• Binds when picked up
• Trinket
• +6 Mastery
• Equip: When your spells deal critical damage, you have a chance to gain 270 Intellect for 10 sec. (Approximately [0.85 + Crit] procs per minute)
• Sell Price: 22 1 96

Source

This item is a quest reward from  [10-40G3] WANTED: Kliaa's Stinger.

Patch changes

• Patch 6.0.2 (2014-10-14): Added.
  

External links

• Wowhead
• WoWDB