I downloaded this game after being spam advertised their King's Nightmare ads. I started playing, got in an active guild, bought a few packs & started having fun. Suddenly the devs change the game. I play for a week, around 20 to 30 levels despite the obvious increase in super hard levels & no King's Nightmare. I contact support who tells me this is so people can have multiple per day. Only 1 person in my guild has had one all week. I've bought my last pack until this is fixed.