V11 Quest Nature's Reprisal can not be finished

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[Location, Faction, Race]Kalimdor, Teldrassil, Fel Rock, Alliance, Night Elfe Female
[Name, Type] Nature's Reprisal, Quest
[Problem Description] Killing Shadow Sprites does not count against the Quest, hence it can not be completed
[How it should work] Killing Shadow Sprite should count against the Quest

 

[Elvarion]

Ill provide some additional information to this. Just tested this quest.
When using the Ireroot Seeds on Shadow Sprites you get progress for Rascal Sprites instead.

 

[ExO]

Will have a look before V12.

 

[ExO]

If you use the quest item it will work as intended.