Astrals v0.1

[Race] Astral Clan Changelings
[Appearance] The Astral has a wide plethora of appearances much like their parent race, they, however, seem to take this a bit further by often being aligned with a certain element or aspect of the natural world. This tends to make them semi-elemental in appearance. Those blessed with fire often being volcanic and firey whereas one of life/earth may have a moss-like covering which naturally grows on their body like hair. They are not limited to planetary elements either with a rare breed being more space-like in a theme such as the void of space itself.

The forms of an Astral clan also come off as unique comparatively. Rather than seeming to shift to different phases of terror freely, Astrals start rather friendlier in appearance and grow in fear factor with each form even to the point of eldritch horrors by their true form. Because of the non-humanoid stigma, they'll often be seen wandering about in their nicer transformations and may even grow upset if a situation calls for a higher form. Each form often can be detected by the number of tails the Astral has wit 0 tails being their most dormant form. The final, true form is even in most cases a horrible self-affliction to go into thanks to the dire changes it requires in a near instant. (an example of this is the Fire one which practically has his magma threshold gauge explode violently and cover himself in the burning liquid.)

Higher power calls for higher pain.

[Enviroment] The environment an Astral comes from is linked to their element. Volcanic activity for fire, glacial zones for the ice type. This may make them a bit less flexible in how they take on a broad spectrum of an environment compared to the parent branch but makes them exceptional in their birth biomes. Foodwise they, just like their bodies have an adaptive taste and prefer the new compared to the standard. If a buffet was presented, they would likely take a little of everything-even if it didn't appear enjoyable to them at first. They have no problem eating other humanoids or even each other though often given their clan's small size they tend to refrain from doing so.

[Social Organization] Astrals are for all practical purposes related even with differing elements. They treat each other as the family though conflicting elemental changelings will often become rivals and while rare, even enemies. This can be chalked up to the size once again. If the clan was to ever become of massive scale, the friendliness of the conflicting would wain.

Astrals due to the slow breeding and leaving the young in dangerous locations to fend off predators are very solitary at birth but will gravitate into packs with others of their kind and continue the cycle.
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tl;dr Changies which have been modified by the wild magic to take on a greater biome affinity/element and treat themselves as their own people.