• Formula: Large Prismatic Shard
• Item Level 67Disenchants into:
  Not disenchantable
• Requires Enchanting (335)
• Use: Teaches you how to turn Small Prismatic Shards into a Large Prismatic Shard.
• [Large Prismatic Shard]
• Requires Small Prismatic Shard (3)
• 1 Charges
• Sell Price: 1 50
• Vendor 6

Source

This item can be purchased for 6 from:

• Egomis <Enchanting Supplies> in The Exodar
• Lyna <Enchanting Supplies> in Silvermoon City
• Madame Ruby <Enchanting Supplies> in Shattrath City

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB