Breaking Waves of Change

I was a little confused by this quest, but you need to talk to the flight master Vesprystus in Rut'theran Village and take the flight to Lor'danel. He won't have a question mark over his head, which was confusing me (I thought he would). Once you finish the flight, talk to Dentaria Silverglade to complete.

If you pick up the quest Hero's Call: Darkshore! outside Darnassus, you can't get Breaking Waves of Change. Just abandon Hero's Call: Darkshore! and Genn Greymane will offer the quest to you.

This quest is a Breadcrumb quest.

Breadcrumb quests are quests that, even though you did not complete them and they were available at some point, have become unavailable permanently after certain conditions were met. If this happens to you, and you're a completionist, this quest can be marked as excluded in the Wowhead quest tracker if you are no longer able to complete it.

This quest becomes unavailable permanently, if either of the following conditions are met:

• Hero's Call: Darkshore! is completed.
  This is a hero's call quest leading to this zone. You can only complete this quest, or the hero's call quest, not both. Completing the hero's call quest will therefore make this quest unavailable.
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• Breaking Waves of Change is completed.
  This is a zone introductory quest leading to this zone. You can only complete this quest, or the zone introductory quest, not both. Completing the zone introductory quest will therefore make this quest unavailable.
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• The Last Wave of Survivors is completed.
  This is one of the quests available in the quest hub that this quest points to, and is also considered a follow-up to this quest. Completing this quest will make all zone introductory quests leading to this npc, including this one, unavailable.

Examples of Breadcrumb quests and conditions making them unavailable:

• Hero's call quests.
  They become unavailable if your character's level is too high, and the hero's call board sends you to a different npc/zone.
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• Zone introductory quests.
  This also includes hero's call quests. These quests are often started in a certain lower level zone, and they direct you to the next zone. If there are several of these, including the hero's call, directing you to the same zone/npc, completing one will mean the others become unavailable.
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• Quest hub introductory quests.
  These are quests that direct you to the next quest hub in a zone. If you've already completed the quests in that quest hub, the quest directing you to it may become unavailable.
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• Follow-up quests.
  These are uncommon, but still appear in older zones that have not been changed much in recent expansions. Sometimes a follow-up quest of quest X is available before you complete quest X. If you complete that follow-up quest and go back to the quest X giver, you may encounter the error 'You do not meet the requirements for that quest', leaving you unable to start it or turn it in.

Note: A quest being unavailable does not necessarily mean it's unavailable permanently. If you have not met the aforementioned conditions, and the quest is still unavailable, then you may have missed certain required quests that precede this one, or you do not meet the requirements in some other way. Always verify this before excluding this quest.