our guild knew from the get go before even 1 BK was finished that bone churches and such were in the loot possibilities, i'm not sure how but i think it was in the change logs somewhere, And it was proved after the First BK was done as someone got a WT. ( we had finished the first set of BK's a little after 11am CEST). so in the first hour of the event.
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it was found out very quickly in the main channel that sandman and winter wonderland buffs would over ride the event palette for the main island only and not long after that winter paint was the best one ( which is why its price skyrocketed ) so i have no idea what paints you tried.
it was also found out reasonably quickly that only ali adventures were exempt from the new colour scheme and even adventures started before the event started changed when it did or at least thats what happened in our guild.