IT'S ANCIENT TREEBEAST DRAGON TIME!
Ancient is a very specific appellation. It means that a given Treebeast is over 2300 years old at a minimum.
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In a cave high above a verdant forest, there is a clutch of eggs. Out of them, five have extremely hard shells, looking like ostrich eggs painted in various colors. The sixth on the other hand, that one is strange. It has the general shape of an egg, but it seems soft, less like a protective shell, and more like a leathery bag. A container instead of a shield. And now the container is moving. A strange series of snaps sounds as the thing inside the egg shifts violently, the egg falling as the supports that had kept its shape consistent are destroyed. The movement becomes more violent, the egg squirming oddly as it rolled around. Suddenly it swells, whatever is inside pushing in every direction as hard as possible.
And the egg is unscathed, but for a small hole where a single claw pushed out.the egg roils again, the thing inside twisting until a small nose pokes out, breathing its first breeze of fresh air. Soon enough, the nose pulls back in and claws begin worrying at the hole, catching and tearing it a little further with every motion, until finally three claws catch all at one. With a violent jerk, the egg is pulled open, and out spills a tiny brown dragon. You. You have been born!
To an outside observer, you look superficially like a typical dragonling, with a long graceful body, small wings that snap and flutter before falling back tight to your body, and the usual teeth and claws as hunger makes you hiss and stretch. However, there are more than a couple of oddities about you. Most obviously, normal dragonlings don't have scales made of bark. Rather than the smooth hardness normal to dragons, yours are rougher, softer, and a mottled shade of brown. More, your claws, instead of being bone-like, are actually wood! A light tan, they aren't any softer or duller than a normal dragon's, but they do stand out. Finally, no normal dragonling has those harsh white eyes. Over all, you look unusual. Or you would, if there were anybody there to see you. As it is though, you find yourself more interested in your surroundings than yourself.
You are surrounded by stone, but you can see fairly clearly with the anemic light shining in the mouth of the cave. The cave slopes down gently like a ramp, bottoming out into a small depression where you had been placed. It continues further on, but you can't see how far thanks to a gigantic corpse that has been laid out. You have no idea what it is, but the smell of the old blood makes your stomach quiver in anticipation. You take a step forward...
And hear a crack. A tiny sound, but it echoes in the cave and your head snaps around to find the source. One of the other eggs is hatching! Deep inside you, some cold instinct whispers to destroy this thing, this rival. Destroy it before it can hatch, eat its egg, eat all of the eggs. Only then can you be safe...
[] Attack the one that's hatching. Eat it, and all the others.
[] Ignore it for now, and rip at the corpse. It will take a bit of time for the egg to fully hatch, and you really want to get something in your stomach.
[] Eat your egg? A strange thing to do, but you're not exactly the most normal of dragons. And your instinct says that your egg should be edible.
[] Write-in with justification. (Write-ins may be vetoed)