Editing Gem Dragon (section)

===Onyx Dragon===
[[File:Onyx dragon MC Mystara.jpg|thumb|200px|right]]
In BECMI, these pseudo-Black Dragons are Neutral Aligned and spit a line-shaped blast of corrosive darkness, which simultaneously inflicts acid damage like a Black Dragon's breath and also envelops the victim in a personally centered 15ft cloud of magical darkness.

In AD&D, onyx dragons could almost be considered a cross between black and white dragons. These swamp-dwelling beasts are almost impossible to distinguish from regular black dragons visually without bright light or close inspection to reveal the gem-like luster of their hides. But mentally? That's another story. Similarly to white dragons, onyx dragons are simple-minded, borderline bestial creatures - cunning when it comes to stalking and hunting prey, and smart enough to realize that [[adventurer]]s may be more trouble than they're worth as food, but generally quite dumb... we're talking an average Intelligence score of 5 -7 here! Their hoards tend to be smaller than those of other dragons, although they certainly do like wealth, especially dark and lustrous gems. Onyx dragons aren't afraid of eating humanoids, but usually prey on the largest creatures their swampy, boggy homes have to offer, such as alligators, herons, manatees, moose, and so forth. Unlike both black and white dragons, onyx dragons are firmly True Neutral.

In a sense, you could say that these guys technically made it into 3e, since that's the edition that tried to add a sixth "black crystal" Gem Dragon in the form of the Obsidian Dragon to the psionic gem dragons.
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