(2) Set (Assassination): Mutilate and Hemorrhage critical strikes restore 4 energy.
(2) Set (Outlaw): Increases the chance for Saber Slash to strike a second time by 5%.
(4) Set (Assassination): Envenom refunds 1 Combo Point.
(4) Set (Outlaw): Your finishing moves have a chance per combo point to generate 5 combo points and cause your next Run Through to consume no Energy.
(4) Set (Subtlety): When Shadow Dance expires, your next finishing move refunds 2 combo points.
Poisoner's Helmet is one of 5 pieces of Poisoner's Battlegear, alongside Poisoner's Tunic, Poisoner's Gloves and Poisoner's Legguards and others. Bonuses activate at 2 pieces and 4 pieces equipped.
Related
Poisoner's Helmet Game Data
Appearance
In the Appearances collection, Poisoner's Helmet is listed as Boss Drop. Appearance IDs: 23127, 23140, 23489. 1 other item wears the same appearance:
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Poisoner's Helmet Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Poisoner's Helmet suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Similar Items
The 10 items nearest to Poisoner's Helmet (item level 44) in item level among Armor > Leather, Head slot, from item level 37 to 50.
Poisoner's Helmet is part of the transmog set Poisoner's Battlegear (Rogue only), which the Appearances collection lists in 3 versions. The other 12 pieces:
Blizzard numbers items as they are created, so the named items next to ID 115572 (115567 to 115577) were usually added in the same batch as Poisoner's Helmet: the same quest line, zone, vendor or reward set.