Travel to Calder Gray · Undercity (49.1, 70.1) (requires at least Level 25). Use the map button to open exact NPC coordinates on the 2D/3D World Map.
STEP 2 · ZONE & OBJECTIVE ROUTE
Quest zone: Undercity.
STEP 3 · TURN-IN & REWARDS
Return to Not recorded in the source to turn in the quest.
Rewards
+3,300 XP
Accept from
Calder Gray · Undercity (49.1, 70.1)
Turn in to
Not recorded in the source
Visual Location & Video Guide
Inspect start and turn-in coordinates for Thundering Hearts on the interactive 2D/3D map or open verified in-game screenshots on Warcraft Wiki. Step-by-step Forever gameplay videos sync dynamically into this slot as realms go live.