So Iv found little bug its simple.
When your going on Lootship Event talk to goblin and get [Goblin Rocket Pack].
After you get them equip them.Ask mage for portal but dont enter still.Start encounter and click on portal.Violaa.Ur [Goblin Rocket Pack] didn't dissapear.
Proof:http://img816.imageshack.us/img816/6...0810004059.jpg