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King Thror
Thror - King under the Mountain - Mightiest of the Dwarf Lords, as shown in The Hobbit: An Unexpected Journey


Biographical information

Other names
Date of birth
Year ascended to the throne
King of Durin's Folk (TA 2589), King under the Mountain (TA 2589)
Date of death
Realms ruled
Unnamed wife
Battle Axe, War hammer;

Physical description

Hair color
Eye color

Thrór was a King of Durin's Folk, the son of Dáin I and the father of Thráin II, the brother of Frór, and Grór, the grandfather of Thorin II Oakenshield, Frerin, and Dis, and the great-grandfather of Fíli and Kíli.



Thrór sitting on his throne with the Arkenstone demonstrating his power to rule.

In early life, Thrór and his family lived in the dragon-plagued Grey Mountains. In TA 2589, when their halls came under attack by Cold-Drakes, his father Dáin I and younger brother Frór were both slain at their gates by a great Cold-Drake. Thrór inherited the kingship. He and his youngest brother Grór resolved to divide their folk: Thrór led a small portion of the House of Durin to recolonize Erebor where they rediscovered the Arkenstone. Grór led the greater portion of Durin's Folk further east to the Iron Hills where he founded his own kingdom. Under Thrór's leadership, Erebor prospered for over a century. Eventually the wealth of the kingdom attracted the attention of the dragon known as Smaug, who flew south and destroyed the kingdom, killing many Dwarves and driving away Thrór and his family, and other surviving dwarves. The majority of the survivors migrated to the Iron Hills, but some followed King Thrór, his son Thráin II, and grandson Thorin Oakenshield west into a long and homeless wandering. They eventually settled in the hills of Dunland where they made a living as best they could.

Twenty years later, in TA 2790, Thrór was now old, poor, and desperate. He gave to his son Thráin II the last of the Seven Rings and a map of Erebor. He then left his people and journeyed away north with a single companion called Nár. They crossed over the Misty Mountains through the Redhorn Pass and then came south again, crossing the Silverlode into the valley of Azanulbizar beneath the East Gate of Moria. When they arrived, the gate was open. Nár begged Thrór to beware but Thrór disregarded his pleas and proudly entered Moria as its returning heir, but he did not come back.

Nár waited and hid nearby for many days. One day he heard a great shout, followed by the blast of a horn, and a body was flung out onto the steps. It was indeed the body of Thrór, as Nár had feared. Then a voice called out to him from just inside the gate. Rather than being killed as well, Nár was instead made use of as a messenger. He was told to deliver a warning that 'beggars' who would not wait at the doors but instead entered to attempt thieving, would meet a similar fate. Nár was told to bring this message back to his people. But that was not all: the voice proclaimed that he now ruled Moria, and if any wanted to know who was king, he had written his name on the beggar's face. Thrór's head lay severed next to his body. Nár turned it over and found branded across the forehead, written in Dwarven runes, a name that would be branded in the hearts of all Dwarves: Azog. He was barred from retrieving the head of Thrór and was struck with a pouch containing a few coins of little worth, which Azog referred to as a 'fee', but it was meant as a final insulting gesture. Nár took the pouch and fled down the Silverlode. When he looked back, Orcs had emerged from the gate and were hacking apart Thrór's body and flinging the pieces to the black crows.

This was the tale that Nár brought back to Thráin II when he returned to Dunland weeks later. After seven days of sitting in silent grief, Thráin at last stood up and declared that this atrocity would be answered. This was the beginning of the War of the Dwarves and Orcs, although it took up three years for the Dwarves to gather their full forces. Several years later, Dain Ironfoot, son of Nain, beheaded Azog and mounted the orc's head on a stick. The pouch of coins was stuffed into Azog's mouth. Thorin, Thrór's grandson, hated Azog ever since.

House of DurinEdit

Dáin I
Thráin II
Thorin II
Dáin II Ironfoot
Thorin III

Portrayal in adaptationsEdit

The Hobbit film trilogyEdit

Thror 4

King Thror

In the 2012 live-action film The Hobbit: An Unexpected Journey, Thrór is portrayed by Welsh actor Jeffrey Thomas.

In that film's story line (a significant departure from Tolkien's version), as recounted by Balin, Thrór leads the Dwarves forces at the Battle of Azanulbizar, where the displaced dwarves of Erebor attempt to reclaim Moria and meet an army of Orcs led by Azog. However, Thrór is killed and beheaded in hand-to-hand combat with Azog, resulting in his son, Thráin II, going mad with grief and disappearing, while Thorin II Oakenshield is enraged enough to challenge the Defiler. With nothing but a sword and a small oak branch as a shield, he succeeds in partially avenging his grandfather's death by cutting off Azog's hand and turning the tide of the battle.

In both the first and second films, Thrór is partially blamed for the coming of Smaug, having become so greedy and overtaken with lust for gold that his massive hoard eventually draws the dragon to Erebor. In deleted scenes from the first film, Elrond describes the gold-lust as a hereditary disease of Durin's line, and Thorin is shown worrying about whether he has inherited his grandfather's "sickness." In the second film, Thranduil claims to have warned Thrór about the dangers of amassing so much gold, but the dwarf refused to listen.

Personality Edit

Thror was an arrogant, greedy, selfish, vain, egomaniacal and unhealthily proud. His pride was such that he obtained a love and obsession with gold that was only ever matched by Smaug and Thorin himself. He showed an incredible degree of addiction to the Arkenstone, which he saw as an example of his right to rule Erebor. His love of gold was so unhealthy that it was his own arrogance brought Smaug to Erebor. Thror was shown to be incredibly arrogant, shown when he allows King Thranduil to bow to him, but does not share one coin of his gold with the Elf, and in the film he does so with an arrogant smile on his face. This proves to be his downfall, since if he hadn't been so egomaniacal in turning Thranduil down, Thranduil would have definitely helped him against Smaug and chances were they could succeed in defeating the dragon.



Preceded by:
Dáin I
Kings of Durin's folk
TA 2589 - TA 2790
Succeeded by:
Thráin II

Preceded by:
Thorin I
King under the Mountain
TA 2589TA 2790
Succeeded by:
Thorin Oakenshield (briefly)


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