Rock: NPCs that offer a already done quest are a bug not yet solved but dont hinder you to get to questranking(they count if done, its more like a display bug if you finish one quest and hit the questgive anew - if he has another quest sometimes an older one will be offered alongside (sideeffect of actualising your quests maybe?).
If you dont get offered a quest you should be able to do on your lvl its 100% because its part of a questchain (like all runestones, healers epedemia, mayor elections and so on in alsius(no idea about the quest in other 2 realms). You have to do them in line, so just ask around where to start with those specific questchain and you might get help. Also check
www.regnumzg.com.ar 's town crier section for all(most) all quests ingame.
regards
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Running Gag,Amenotil F., Gundar F., Jaspis U., Lance Lost, Tinman of Oz. (H,C,W,M,B,K)

Internally processed, nutritioally-drained biological output happens - it's called update