House of The Dragon: Who Is Stronger, Vermithor Or Vhagar?
Vermithor is the largest in the world, only behind Vhagar, but he has other advantages that Vhagar doesn't have.
In the House of The Dragon Season 2 Episode 7, entitled The Red Sowing, Aemond Targaryen finds himself dealing with the surprising knowledge that his sister Rhaenyra now possesses three new dragons: Seasmoke, Silverwing, and Vermithor. While the first two proved very easy targets for Aemond and Vhagar, Vermithor is the complete opposite.
As per CBR, House of the Dragon represents Vhagar as the key to Greens' victories, and this time around, it really does appear that the scales are tipped against Aemond as Hugh the Hammer pitches his lot in for Vermithor. Vermithor is the second largest dragon and not far from Vhagar in size. But the question remains whether size inherently makes dragons stronger, and that would be one tough call were there to be a fight between Vermithor and Vhagar.
Vermithor is younger than Vhagar
Despite winning his first round, Vhagar still has the disadvantage of age over Vermithor. In A Song of Ice and Fire, dragons can grow unhindered if fed properly and taken outside the Dragonpit. However, this continuous growth may lead to a Catch-22 situation, as what happened to Balerion, the Black Dread, the dragon of Aegon the Conquerer, which had grown too big to carry itself in the sky.
Viserys I Targaryen stopped flying Balerion during his last years because of age and weakness. Vhagar is slow and has war scars on her wings, so she cannot easily lift herself up and keep the direction. Aemond should shift the reins and pull her aside, for she is nearing the end of her life and needs to retire and live in the fields.
Vermithor is 86 years younger than Vhagar, and with the strength of youth, he is able to carry himself and Hugh into battle without tiring out. While old age may make dragons more apt to disobey, this war dragon Vhagar is one that is accustomed to battle and which doesn't find it easy to obey if her rider would show restraint or back down from a fight.
This would be both a boon and a bane if ever a fight between Vhagar and Vermithor were to occur. On one hand, Vhagar could disobey Aemond again and thus be at full liberty to take out Vermithor. On the other hand, Vhagar's impulsive nature and bloodthirsty character could blind her from sneak attacks. Contrariwise, Vermithor has evidenced a disposition to obey other Targaryens he is not bonded to-if commanded and soothed in the proper way. If there was a dragon easier to control between the two, it would be Vermithor.
Vhagar has fought more battles than Vermithor
Because, in fact, from the descriptions in these books, Vermithor and Vhagar are quite evenly matched in the question of sending terror down human spines, whereas Vhagar can squeeze knights with her foot or melt armor, Vermithor is large and fearsome, but without much ghastly imagery compared to Vhagar in these books. Tyrion Lannister even mentioned that a horse could ride down her gullet. Indeed, Vhagar has extensive combat experience-as she had flown for Visenya Targaryen during Aegon's Conquest of Westeros.
Given the name of Bronze Fury for his tanned wings and savagery, Vhagar has joined in the First Dornish War and Visenya's campaign to install Maegor the Cruel onto the throne. Later, Baelon Targaryen rode Vhagar during the Fourth Dornish War.
As it happens in House of the Dragon, Vhagar has fought more and had more battles than Vermithor. She killed Lucerys Velaryon and his dragon Arrax and knocked down both Meleys and Sunfyre. All this tides Vhagar with her notorious reputation almost as an invincible dragon. Vermithor might be kinda overwhelming, too, but never having left his lair on Dragonstone in many years just doesn't make him some kind of seasoned war veteran like Vhagar.
Vhagar is stronger than Vermithor
Vhagar does have age-related problems that make her position in battle weak. However, she is stronger compared to Vermithor, who is faster, more obedient, and a bit smaller. In their fight, both dragons would face substantial damage; however, Vhagar's size and battle experience outweigh Vermithor by an inch, which is a sufficient lead in a war between dragons.
In any fight against Vhagar, speed and stealth come into play no matter how much larger the opponent may be. Vermithor is the second-largest in the world, fast but decidedly unstealthy. The more plausible cause could be the riders themselves: Aemond has taken to flying Vhagar for over a decade now and has been tutored by the best of all the dragon-keepers while Hugh has flown Vermithor once and does not speak High Valyrian. The outcome of the fight between Aemond and Hugh is easily predicted.
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