Hey dragonrider, sorry for really late reply, I haven't been logging on to vindictus lately.
The response I got was 'we are working on the problem', which i'm guessing it still hasn't changed..q.q I haven't been logging in to check if it works or n…
Also one thing i noticed is, if you start the boat from ein lancher you cant put blessings, but when you decide to retry the battle you can put the blessing - put more luck in the battle for getting more loots..!
they had the same item from last event, it says it'll get you from +10 to +15.
100% i think means when you do this event you'll get this item for sure (the word after 100% is 'will be provided')