In theory these achievements are good, bringing you  much needed improvements but in practice are a nightmare! You go off  find out how to obtain them, spend money to obtain them  only to find that they do not get awarded or you get the first one and no more of that achiement. You set up a ticket  for support only to find it cannot be dealt with as they are secret quests, how cheap (and nasty)of Plarium to put out secret quests get you to spend money ,then cover up such a means."Well I will make up the deficit in other way's but guess what Plarium" I cannot tell you how im going to do it, " it's a secret"