When you get the quest, Daluntiir asks you to wait a moment for his despression to pass. This does not take long; approximately 5-10 minutes. When he is ready to talk to you, Daluntiir will advise you that in his brother's remains he found Lolindiir's journal. Inside the journal, Lolindiir writes of a relic, the "Symbol of Norrath's Spring", that Venril Sathir greatly feared and split into three pieces. It had been Lolindiir's hope to reclaim each piece and reassemble the Symbol which so threatened Sathir. Daluntiir's last piece of advice to you in seeking the relic pieces is to "Bring friends... bring forces. This is not an evil that you can fight alone."
Each relic piece is an auto-update; upon killing the mob you get the quest update which grants you the respective relic piece. As was written in Lolindiir's journal (and thus defeated following that order), the Symbol of Norrath's Spring's pieces may be found with the following mobs: