The Elemental Bonds questline is an epic series of quests to restore Thrall to his former self after Majordomo Staghelm splits him into 4 essences of elements.
Thrall in Nordrassil before the summit.
The Aspects in Nordrassil.
The Twilight's Hammer crashing the party.
The Twilight's Hammer spliting Thrall.
Malfurion faces the revealed Druids of the Flame.
Aggra talking to Cyclonas.
Aggra talking to Hydrius.
Thrall's First Desire-Peace with the Alliance.
Thrall's Second Desire-Marrying Aggra.
Thrall's Third and Greatest Desire-Kids.
Thrall's Essence of Earth.
Thrall's Essence of Fire.
Thrall's 4 Essences Merging.