TheWoWDBTo be clear, the Spriggans that you're looking for are 'invisible'. You can find quite a few of them leaving the camp around 49.76.60.65, carrying the supply boxes over their heads.
You can also find a big bunch of them (4-6) messing around with the crates behind Cylania, the Night Elf Armourer at 49.73.62.94.
Quest
Trouble at the Tree
A World of Warcraft quest in Emerald Dream. Facts and objectives from the current retail game data.
The highest voted Wowhead comments for this page. They are community notes, not TheWoWDB comments.
Look for various spriggins around the quest NPC.
After this quest is available, [npc=208669] will give you a short series of quest.
Quest facts
LevelLevel 10-80
ZoneEmerald Dream
Quest ID77316
The client quest POI data records no map location for this quest, so no map is shown.
Check whether you have already completed this quest
in-game: /run print(C_QuestLog.IsQuestFlaggedCompleted(77316))
Description
{name}! Merithra needs your help. Some nasty trickster spriggans followed us into the Dream and now they're causing all sorts of havoc! Like the most important thing of all, stealing top secret super important supplies. It's urgent you stop them and get the supplies back.
Community notes from Wowhead · 9 comments
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The top 3 are shown in Top Comments above. Read all 9 on Wowhead.
Flightstonesx 10
Money28 gold9 silver
Experience47,600 XP
Reward details
Currency: Flightstones x 10
Earned from completing world quests, raids, dungeons, battlegrounds, arena matches, and other activities. Used to upgrade max-level gear.
Item facts are the current retail client’s (ItemSparse); the specialisations for a pick-one item are the ones the Blizzard quest API lists; faction and currency text is the client’s own. Lowest listed price = the US commodity auction house now.