So...I had already seen the nagging pop-up about returning to Dragon Story. I thought it was safe to go collect from my journey. I saw that my journey had provided an onyx pearl. I tapped on the pearl to place it...and the game burped. I had to collect from the journey again. No onyx pearl this time. I bought an extra scorched dahlia and still I'm at least a day behind. I couldn't buy an extra onyx pearl even if I wanted to do so. I'm fairly certain the onyx temple will end up in storage like lots of other stuff, so I'm not terribly worked up about being unable to finish this event. However, I agree with an earlier post that suggested at the beginning of the event, Storm8 should just tell us we'll need 600, 800, or whatever gems to complete the event. Then we could just ignore the event and work on the main story line or expansions or something productive.