Гёммё
Auto-translated
Here's my idea for this race:
1. Thieves/Spies - scouts and "ordinary" residents of the Free Cities.
2. Free Archers/Master Archers - defenders of order and guardians of the Holy Cities.
3. Air Priests/Silat Priests - fanatical worshippers of Silat, skilled in the art of hand-to-hand combat.
4. Wind Guardians/Storm Lords - air spirits, loyal servants of Silat, sent by him to Ashan.
5. Giant Eagles/Rukh Birds - huge birds that snatch prey and drop it from the sky. Tamed by the cunning of the Holy Cities' inhabitants.
6. Air Dragons/Sky Dragons - huge reptiles soaring in the sky. They protect all followers of Silat, those he favors, or peaceful inhabitants, etc.
7. Storm/Hurricane - special vortices, vaguely resembling intelligent beings. Summoned by Silat priests. They hover just above the ground, but do not fly. Very difficult to kill with ordinary weapons, but very vulnerable to magic.
That's a good idea, but Rukh are already giant eagles. So, maybe it would be better to call them Thunder Birds.
The same goes for dragons; it would be better to call them Storm Dragons.
Storm and Hurricane shouldn't be integrated into the faction; it would be better to make them a spell to summon a Storm creature.
And what happened to the air riders?
Strengths of the idea
You came up with a good idea about the Silat Priests; it specifies who the priest worships.
You have thought through the creatures' biographies very well.
Added 4 minutes later
I suggest making the city's appearance in the style of Machu Picchu, the ancient Inca city, and the inhabitants will be humans like those from the Order faction. I think it will be unusual and original.
I haven't decided on the name and racial ability yet.