Absent from Forever: this item ID cannot be found in the Forever client. Its Classic version is shown below.
Data source: game client item records. Forever build 1.60.1.70888 ; Classic Era build 1.15.9.70576 . View the compiled item record . A beta record does not confirm in-game availability. Verify acquisition in the game and official announcements.
Source: Thaddius, Naxxramas
Classic 1.15.9.70576
Leggings of Polarity
Binds when picked up
LegsCloth
112 Armor
+20 Stamina
+14 Intellect
Requires Level 60
Equip: Increases the damage and healing of all spells and magic effects by up to 44.
Equip: Increases the critical strike chance of your spells by 2%.
Sell Price: 9g 2s 86c
Forever Beta 1.60.1.70888
This item does not exist in the Forever client.