Shardkeeper

Shardkeeper Level 17
Unique Staff (two handed)

143 Damage per Second
Very Fast Attack Speed (.72 seconds)
Electric Damage: 20-32
Fire Damage: 20-32
Ice Damage: 20-32
Poison Damage: 20-32

Empty Socket

+3% Cast Speed
Charge rate increased by 5%
Charge decay rate decreased by 10%
+20% bonus to Critical Damage
+2% to Physical Armor
Conveys 20 Physical Damage over 5 seconds
Conveys 6% chance to immobilize Target for 8 seconds
+1% Dodge chance

Requires Level 21
Or
Focus 68

Industrium researchers describe the Shard as "pre-Ember" crystal.