Sharandar rewards in WoD instance

evemj

Just finished Drake Pens and could claim chest twice.

• [19:44] [Inventory Notify] You lost 2,250 50% Bonus Rough Astral Diamonds.
  
• [19:44] [Inventory Notify] You received 6,750 Rough Astral Diamonds.
  
• [19:44] [Inventory Notify] You received 5 Emerald.
  
• [19:44] [Inventory Notify] You received 5 Peridot.
  
• [19:44] [Inventory Notify] You received 100 Feywild Spark.
  
• [19:44] [Inventory Notify] You received 554 Copper.
  
  
• [19:45] [Inventory Notify] You received Greater Potion of Dragon Slaying.
  
• [19:45] [Inventory Notify] You received Draconic Enchantment, Rank 5.
  

I presume I had completed Arcane Reservoir without claiming the end chest.