as this freenium game is gathering a lower quantity of player, they need to bring in much bigger whales. So the difficulty increase, making it unplayable without real money.
We are really fastly confront to aventure enemies with a complete lv15 deck. And at the same time, we got just enough viagra to upgrade 3 rare cards lv 5...
Without the possibility to replay previous aventure matches, this game will stay an unplayable game.
I don't know if the developper read those post, but if he keeps silence, he will only build up frustation on player community.