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: Noth the Plaguebringer, Naxxramas
Classic 1.15.9.70576
Noth's Frigid Heart
Binds when picked up
Held In Off-hand
+12 Intellect
+13 Spirit
Requires Level 60
Equip: Increases the healing effect of spells by up to 53.
Sell Price: 7g 26s 51c
Forever Beta 1.60.1.70888
This item does not exist in the Forever client.