Is This Bending the Rules?

Elements
Dark - also represents creativity and colourlessness. Dark-element Vita Letali tend to be uncaring of society and revel in their cruelty. In order to attain the Champion symbol, Dark Vita must usually learn to utilise their nature to support others instead of mistreat them.

Light - also represents/is represented by purity and gemstones. Vita Letali of the Light element are some of the most powerful, but also often aloof and xenophobic. There are also many  monsters, such as Twofifty, which result from the Light element misusing its power and attempting to remove the 'dark side' of their selves. To attain Champion, Light Vita must instead accept these facets of their personality and fight for the good of all from within, not without.

Water - also represents space and cold. The Water element is home to many isolated monsters who are not necessarily as civilised as the other Vita Letali. Water-element Champions are the rarest due to this, but under influence from humans or others their attainment of this symbol is easiest.

Earth - also represents physical strength and death. Earth-element Vita Letali have long held forth that they know the location of a literal underworld, but despite their bragging keep its exact location a secret - if it does indeed exist. Like Water-element Vita, Earth-element monsters are often isolated and bestial in nature, but tend to be more sociable amongst themselves. Indeed, if their rumours are to be believed, vast numbers of them have formed their own empire under the Earth's crust.
What exactly triggers a Champion form for Earth-element Vita Letali is unknown; they treat the metamorphosis with great reverence and secrecy, like a lot of things.

Air - also represents time and silence. The Air element could be thought by a casual observer to be the most numerous element; though truly numbers are even amongst all the elements. Air-element Vita Letali are childish by nature, even mindless, making them easily manipulated by Devingarasp's empire. To attain Champion, they must break free of the control of both Devingarasp and their flock, and think individually, making their Champion forms some of the hardest to gain.

Fire - also represents metal and impulse. Fire-element Vita Letali have the odd quirk of appearing to be inanimate objects, were it not for their often fast-paced and passionate nature. For them, becoming a Champion is often a case of, much like the Dark element, curbing their instincts and harnessing them to keep from being purely a force of destruction.

Poison - also represents wisdom and nature. Vita Letali of the Poison element are believed to be some of the oldest varieties of monster, and their forms tend to be floral. Poison-element Vita vary wildly in their attitudes and ideas, but almost all claim to have been 'enlightened' in some way. As such, their attainment of Champion can be quite unpredictable.