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Good map. It was made by an amateur who enjoys fast-paced battles, for those who enjoy fast-paced battles. I played on 200% difficulty and achieved the "Fabulous Dragon" rank.
There are really a lot of artifacts; you can collect sets several times. I played not in SoD, but in HotA, and I was able to fully test the new "Iron Fist of the Ogre" set in battle – it's really cool, especially with the "Orb of Permanence" and the "Sphere of Vulnerability".
Several other sets were easily collected. Extra artifacts were sold, and with that money and those resources, 8th-level dragons were bought.
And the game world itself, with jumping from island to island, is implemented perfectly, and the underground is also well done.
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It lacks a legend: it seems that four formidable lords are fighting for the right to possess the archipelago around Dead Rock.
You could add some new features from Heroes of Might and Magic III: Horn of the Abyss.