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That link to the product kits you mods keep posting is quite outdated. None of those kits have been available in almost a year. We're asking for a current list, the ones with names like "Boar" and "Firefly". Even if you have no idea when they'll appear, it would be nice to know what all is available.
That's a great question. Hopefully a Mod will see this and answer.
In real life, he's The Stig.
I don't get crystals for daily bonus often, usually it's supplies or a double purchase card, but I'm not convinced it's COMPLETELY random. Here's why: When I moved and didn't log in for something like 2 months, when I finally returned I got a "Welcome Back, we missed you" daily bonus in crystals. I don't remember the amount, but it was more than usual. This happened on both my accounts. However, I wouldn't recommend it as a way to gain crystals - not playing for 2 months at a time, you're losing so many in battles (and fun).