With only two episodes left till the finale, the contention to the throne is very competitive now. But one theory has the fans thinking that Daenerys herself could be a dragon herself.
If anything season 8 has shown us, is that, for some reason, the seemingly invincible dragons are deceptively easy to kill. Viserion was killed by the Night King while Jon and Company had the ill-planned out idea of capturing a wight, and Rhaegal was killed when Daenerys somehow didn't see the massive fleet of ships approaching her. That leaves Dany with only Drogon, her favorite dragon, who is vulnerable to Cersei's big ass crossbows. But, what if Drogon is not the only dragon left in the world? What if Daenerys herself is a dragon?
Yes, as absurd and far-fetched, there is a solid theory behind it. So let's trace it back. Remember how Viserys Targaryen died? Khal Drog poured molten gold on his head, and it scalded him. After her brother's death, Dany quipped, "He was no dragon. Fire cannot kill a dragon." What did she mean by that? What does it specifically mean when she said 'a dragon'?
As a second example, Daenerys came out of the fire unscathed when the dragons were born, and one more time later, when she had set fire to the Dothraki tent. George. R. R Martin, the writer of the books even said that even though the Targeryans have a very high heat tolerance, they are not fire-proof. Hence Dany being immune to fire was extremely unusual and borderline magical, even by Targaryen standards.
Many fans have wondered since then, why did she not get burned? Now, it becomes very important to note that Dany had already mentioned that 'fire cannot kill a dragon'. Did she know she is special? That she had a gift her brother didn't, despite being a Targaryen? Viserys used to threaten Dany saying that "You don't want to wake the dragon"? What if it was not metaphorical, but literal? What if they knew some family folklore according to which some Targaryens could actually transform into dragons?
Now, let us take a more insightful look at the dragons themselves. They are not made to be pets, they are made of old Valaryan magic and they are magical beasts. They function according to their own will, so much so that Dany herself could not control them on her own. Drogon flew off and she had to lock up Rhaegal and Viserion. But, what is interesting is the fact that Drogon came to rescue her when she needed help inside the fighting pit.
When Jon was in dire need of help behind the wall, Dany was able to travel till there with her dragon. The dragon also managed to find Gendry, given the fact that there were no specific addresses or coordinates that Gendry shared, and it's unlikely that Dany just went randomly looking for them knowing that time is running out. That means dragons can sense it, and they don't need to be instructed.
Looking back at House Targaryen, their motto is 'Fire and Blood'. According to the popular belief, "fire' signifies 'we have dragons', and 'blood' probably signifies 'we will kill whoever crosses our path." Targaryens have used dragons to kill, and there was no bloodshed, they would only leave ashes behind. So, the blood part only refers to the DNA material they share with the dragons?
Targaryens are known to marry each other. Did they know that they have magic in their DNA and that's why they did not marry outside the family to maintain the purity of the gene pool? Do you remember Dany and Khal Drogo's still-born child? Mirri Maz Duur, the witch, claimed that the child came out looking like a monster and that he had scales like a lizard, and was blind with bat-like wings. Doesn't this indicate that the child had dragon-like features? Also, in the opening credits of the show, it can be seen that there are three small dragons and a huge fourth dragon behind them.
Can that be Daenerys herself? What if her title, 'the breaker of chains' refer to her breaking free from her human form and becoming the mother dragons? Well, there is no way to know about it now and we have to wait until Sunday to get the answer.