why Laenor Velaryon can ride a dragon, even though he is NOT a Targaryen

The series features a plethora of dragon riders from the illustrious Valyrian dynasty, which makes sense given that the drama is all about House Targaryen.

But episode 3 of the first season demonstrates that Laenor Valaryon rides a dragon deftly despite not being a real Targaryen.

Princess Rhaenyra and Prince Daemon were already featured in the first two episodes of the series on Syrax and Caraxes, respectively.

As a result, many spectators were shocked to see Laenor of ouse Valaryon soaring on Seasmoke.

during the Battle of the Stepstones, and using the well-known High Valyrian command "dracarys."

Larnor's mother, Princess Rhaenys Targaryan, may be the reason he has the power to ride a dragon.

It's possible that Rhaenys's children continued her dragonriding skills because they knew she may become the future queen.

Laena Velaryon's pure Valyrian blood on both sides of their family that allows them to ride dragons.