Instructor's Divine Bell

• Instructor's Divine Bell
• Item Level 148
• Binds when picked up
• Trinket
• +31 Agility / Strength / Intellect
• Use: Grants you 423 Mastery for 9 sec. (1 Min 30 Sec Cooldown)
• Requires Level 60
• Sell Price: 54 19 63

Instructor's Divine Bell is obtained from multiple sources.

As a mission reward

• Erezuel and His Pack
• Gorm Swarm
• Campaign: Erezuel's Rampage
• Campaign: Quiet the Shriekers
• Master and Pupil
• Campaign: Whisper in the Dark
• Campaign: Promises of the Praetor
• Bonewrought? Bone-wrong, Belike
• Flight of the Necrorays
• Campaign: Discarded But Not Useless
• Campaign: Bonebreaker's Hoard
• Backup Brigade
• Campaign: Stacka's Last Stand
• Campaign: Alpha Bonemauler
• Deconstruction Time
• Duel with Genghis
• Slime and Punishment
• Sister Chelicerae

When disenchanted

•  [Soul Dust]
•  [Sacred Shard]
•  [Eternal Crystal]

Patch changes

• Patch 9.0.2 (2020-11-17): Added.
  

External links

• Wowhead
• WoWDB