Dragons in My World
First of all, I’ve decided that all dragons in my world will have Draconic Alacrity and Draconic Resilience to cover the action economy and the condition problem. It’s not that I am trying to take the easy way out, it’s just that I want those to be uniquely dragon things. Dragons are incredibly fast and resilient. Other Boss Monsters might have similar powers, but dragon, in my game, will always mean Alacrity and Resilience first.
Second, I love the flavor of dragons described in the preview book Worlds and Monsters. I love the idea that they were some of the first sentient beings the gods created and they were nothing more than raw elemental fury wrapped in a mortal body by Io and then given life. In my world, as dragons progress through their stages, their elemental furnace starts to spill out.
At the same time, all dragons will have a growing aura as their elemental fury becomes less and less contained. When its attacks become their most elemental, their aura also starts scouring away resistances. As you will see, there is still a benefit to having an elemental resistance, but it doesn’t shut down all of the dragon’s attacks.
In my world, the chromatic dragon is the baseline. It is raw elemental fury in a mortal shell that starts to spill out during the battle. The aura and the attacks becoming more elemental are traits of chromatic dragons because of how they were made. Metallic dragons in my world were sort of a second attempt at dragons. Io had some practice and worked with Moradin to incorporate alchemical radicals into his draconic creations. The resulting metallic dragons are more mortal creature, more magical, and less raw elemental. They will have a similar feel, but they won’t be as strongly focused on auras and elemental attacks. On the contrary, my catastrophic dragons go in the other direction. They are uncontrolled elemental power in the vague shape of a dragon. So, I’ve created a spectrum (get it?) for my dragons that emphasize their bestial nature or their elemental nature.