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(Drake's POV)
I've been trying a variety of spell combinations to heal Emerald's wings, but every time I tried, it simply didn't work. His Curse was very strong, most likely conjured by someone at Rank 9 or above that.
I asked him ore about this Dark Scaled Dragon, and he said he didn't had any crimson scales or weird vampiric features, so it wasn't Sangre, but someone different.
The only option I can think about is cutting his wings and then helping him regrow them, but even that, it might not work properly.
Divine Dragons wounds are very severe, they cannot regenerate big wounds without spending many decades resting, even more if it is about lost limbs.
Its just that I am the weird one here, with my Immortal Body capable of regenerating such things very quickly. And well, my daughters inherited a part of this amazing self-regeneration too, to an extent.