The event
The Dwarves avenge Thrór; Thorin earns the name Oakenshield and Azog is slain.
Consequences
Despite victory the Dwarves do not retake Moria; the memory shapes Thorin and Dáin.
Participants
CharacterThorin Oakenshield
The proud leader of the Company in The Hobbit, who reclaimed Erebor from Smaug and fell at the Battle of Five Armies.
CharacterDáin Ironfoot
Dwarven lord who came to the aid of Thorin at the Battle of Five Armies and became King under the Mountain.
CharacterAzog
The Orc who slew Thrór and was killed by Dáin at the Battle of Azanulbizar; greatly expanded in the films.
CharacterBalin
A wise and kindly Dwarf of Thorin’s company who later led a doomed attempt to recolonise Moria.
Sources
The Hobbit · 1937
Published in Tolkien’s lifetime. The primary narrative of Bilbo’s journey.
Unfinished Tales · 1980
Expanded and alternative accounts of the First, Second and Third Ages.