Well, I would like to know if the dragons were natural creatures of Nosgoth or if they came from another dimension?
What was the extent of your strength? What are your powers (If they had)? Did they speak or were they like ordinary animals? Did they have anything to do with Hylden or ancient vampires?
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@Thaloriel - Dragons and other world-building in the Legacy of Kain series took a significant direction change when Silicon Knights stopped working on the series. Most gamers are not aware that Amy did not write any of the original stories - she joined the project when all of that was complete. It does seem like a significant portion of the world-building in the series is largely done in the first game. After that, the new style of the narrative focuses on character development. This is not a criticism of the later stories, but rather a change of style to help put context to your questions.
There are many hints of Demons, Lovecraftian, and factions in Blood Omen: Legacy of Kain. The overall narrative for the Pillars of Nosgoth took a hard turn in a different direction after we left the series. I would sum up the change as my style of storytelling and world-building takes a very Tolkien like approach, while Amy and others Crystal Dynamics took more of conventional Hollywood or Aristotle's 3 act narrative approach to the story. Crystal Dynamics were never told where Silicon Knights were going to take the story.
The Dragon fossil your reference here:
In fact, the main reason for Pillars was to deal with things outside of Nosgoth that were coming, the preparation of pillars and Kain. Of course, this direction was never explored and not possible without our involvement as Crystal Dynamics had no understanding of these concepts. Dragons were part of the past with somethings not yet explored in the future. The developments of Dragons as a race were never explored in the original game and I think it is best that I remain silent your other questions.
Moving forward, we will be exploring similar ideas and concepts in Deadhaus Sonata, where there many factions like dragons, other houses, empires, cults and dimensions that will clash in Malorum.