I opened 22 of them for 600 gems ($75). I got:

-Swamp Shaman
-Monstrous Garb
-Forgemaster's Garb
-Rocfeather Robes
-Vinewood Carapace
-Monstrous Garb
-Lightning Lord
-Torchflame Mantle
-Stormrage Armor
-Monstrous Garb
-Vinewood Carapace
-Steam Wizard's Robes
-Monk's Vestments
-Lightning Lord
-Molten Shroud+
-Riverstone Mantle
-Monstrous Garb
-Royal Flame
-Rocfeather Robes
-Riverstone Mantle
-Monstrous Garb
-Forgemaster's Garb

Plus I got the two fire enhancement armors for buying two batches of 11.
19 **
3 ***
no legendary

It was nice to get 3 ***, tho there were not very good 3s.