Why would Fafnir drop an already perfectly crafted sword called Ridill? Also, I'd like to think that SE could come up with a better name for high level brushes that drop off of dragons.

Brush of the Seven Winds - Gives resistance vs Wind
Any attacks that deal Wind damage are given bonus damage.
Crimson Sweeper - Gives resistance vs Fire
Any attacks/abilities with the elemental of Fire are given a bonus effect.

Edit: Looks like someone beat me to the fafnir reference D: