According to this tibiabosses.com article published in 2020, there is "Absolutely no sight of valuable loot." The article goes on to state that there has been quite a bit of false information published about this raid in the past.
Of course, no matter how well researched, it is still an article written on a fansite. Cipsoft will likely never confirm or deny any specific information regarding this raid and the fansite may be the best info we have.