#Oh but dragon hide is fire resistant

Leather is like that, it's why it's used for protection when you're in a situation where you might encounter brief jets of flame like a smithy. It's great for such situations. Dragonhide is undoubtedly high quality rugged leather and would have significant flame resistant properties.

For that matter:

#Tinfoil is even more fire resistant

However that doesn't stop the potato inside from cooking when you put it in the fire. Speaking of which, cooking in your armour is what's going to happen to you when you when you go up against that dragon.

It's not the flames that are the problem, it's the heat.

Oh but dragon hide is fire resistant

Leather is like that, it's why it's used for protection when you're in a situation where you might encounter brief jets of flame like a smithy. It's great for such situations. Dragonhide is undoubtedly high quality rugged leather and would have significant flame resistant properties.

For that matter:

Tinfoil is even more fire resistant

However that doesn't stop the potato inside from cooking when you put it in the fire. Speaking of which, cooking in your armour is what's going to happen to you when you when you go up against that dragon.

It's not the flames that are the problem, it's the heat.