Reverberation Rod can drop anywhere. It can be chanced.Reverberation Rod can be created from the following recipes:
(15-19)% increased Spell Damage
+2 to Level of Socketed Gems
Socketed Gems are Supported by Level 10 Spell Echo
Socketed Gems are Supported by Level 10 Controlled Destruction
Socketed Gems are Supported by Level 10 Arcane Surge
+(10-30) to Intelligence
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Price in Leagues