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: Any enemy, Naxxramas
Classic 1.15.9.70576
Stygian Buckler
Binds when picked up
Off HandShield
3106 Armor
59 Block
Requires Level 60
Equip: 15% chance to reduce the attacker's movement speed by 50% for 5 seconds.
Sell Price: 12g 85s 89c
Forever Beta 1.60.1.70888
This item does not exist in the Forever client.