I've been playing this game for 3 years, and lost everything on a shield dropped by a bug in their software. I have all the profs and the customer support says that i shoud pay more attention, no compensation. A 24h shield dropps after 26h. For IGG the day has 26hours. Conclusion: you can lose everything anytime. Don't invest anymoney in this game. IGG doesn't care about their bugs as they don't care about bots. Better, don't play this thing, it's not worth it.