Well personally this is what I would like the Gray Dragon to be like:It is Fog/Mist based. It is a Dragon that lives its entire life within natural or artificial fog and mist banks created by itself. This is a creature that prefers to use stealth and surprise to feed, using the rolling fog to cover itself.
Villages fear and grow terrified when they see a massive fog bank rolling down from the mountains, any which one could carry within it a Grey Dragon, which upon the fogs departure will leave just ruin in its wake. Not even sound can escape, muffled by the fog.
Ability wise, the Grey Dragon can perform Sneak Attacks when covered in its fog banks, can generate fog, summon bouts of wind and in the most powerful turn into fog itself.
We should probably find out soon since some people already have the book.
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