TheWoWDBI already killed like 20 of these and still no drop, wonder what's wrong [EDIT]: You need to have completed or be on the quest Practical Vengeance before these things start to drop.
Quest
Ley Energies
A World of Warcraft quest in Silverpine Forest. Facts and objectives from the current retail game data.
The highest voted Wowhead comments for this page. They are community notes, not TheWoWDB comments.
Regardless of what the comments say, you can loot the quest item even if you're not on the Breaking the Barrier quest chain, if you already have completed it.
Does not appear to count towards either the Hillsbrad Foothills or Silverpine Forest Loremaster achievements.
Quest facts
LevelLevel 5-30
Quest ID27480
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(27480))
Description
The arcane remnant pulses with strange energy. Perhaps you should search for more remnants. Surely Dalar would be interested in such a find.
Community notes from Wowhead · 11 comments
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Reward details
Reputation: Undercity +350
Led by Sylvanas Windrunner, the Forsaken have joined a tenuous alliance with the Horde and established this capital in the vast depths under the Ruins of Lordaeron.
Reputation group: Horde.
Other quests in Silverpine Forest that reward Undercity reputation: Warchief's Command: Silverpine Forest! (+250), The Warchief Cometh (+150), The Gilneas Liberation Front (+250), Agony Abounds (+250), Guts and Gore (+250), Iterating Upon Success (+350).
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.