Arceus is described in ancient texts as the being that shaped the universe itself — emerging from a single egg before anything else existed and weaving the world into being with its thousand arms. It is neither benevolent nor wrathful by nature, but watches over existence with an infinite, patient awareness. To look upon Arceus is said to be like looking into the origin of all things — a moment of blinding clarity that leaves the observer forever changed.

In its Origin Forme, Dialga returns to the primordial shape it held at the dawn of creation — closer to Arceus, closer to the raw fabric of time itself. It is said that time flows only because Dialga's heart continues to beat, and that if it were ever to stop, all moments — past, present and future — would cease to exist simultaneously. Dialga does not move through time. It is time.

Palkia exists at the boundary of all dimensions, its very body woven from the fabric of space. In its Origin Forme it sheds the physical constraints of its later shape and becomes something closer to pure spatial energy — a being of pearl and light that holds the distances between all things in perfect tension. Where Dialga governs the flow of moments, Palkia governs the vast emptiness between them.

Reshiram is the embodiment of truth — a white dragon whose flames burn so purely that they are said to scorch the very concept of falsehood from the world. Its tail generates a blazing heat that can reshape the atmosphere and distort the flow of air across entire regions. Those who ally with Reshiram are said to pursue truth above all else, even when the truth is painful. It is the mirror of Zekrom, its eternal counterpart across both legend and history.

Latias is highly intelligent and capable of understanding human speech. Its body is covered in glass-like down that refracts light, allowing it to change its appearance and become invisible at will. In its Mega Evolution, this power of illusion intensifies into something cosmic — a creature of pure refracted light and color, painting the sky with every hue as it passes. Ancient peoples who witnessed Mega Latias described seeing the heavens themselves come alive.

In its true form, Necrozma is a creature of pure blinding light — a prism dragon born from another dimension that feeds on light energy to sustain itself. Long ago it shattered and lost most of its light, wandering in darkness and pain until it could absorb enough radiance to become whole again. Ultra Necrozma is that wholeness unleashed — every shard of its crystalline body blazing with the accumulated light of worlds, a being so brilliant it burns simply to behold.

Mew is said to contain the genetic composition of every Pokémon that has ever existed, making it a living library of all life on Earth. It is so rare that many scientists believe it to be nothing more than a mirage. Mew drifts through the world on a bubble of psychic energy, curious and playful, utterly unafraid — perhaps because something that contains all life within itself has nothing left to fear. It exists at the very origin of the Pokémon world, predating even recorded history.

Zacian is a legendary warrior whose blade has never been bested in battle. It holds a sword in its mouth that it has wielded across countless conflicts throughout Galar's history, and the edge of that blade is said to be sharper than any metal ever forged. Between battles, Zacian sleeps for ages at a time — a guardian that rests until the world needs it again. Its gold-clad form radiates the quiet authority of something that has already won every fight it will ever face.

Ho-Oh is said to have appeared before a young trainer at the very beginning of their journey, a glimpse of legend before the world had fully revealed itself. It flies across the sky trailing beautiful rainbow-colored light, and legend has it that whoever sees Ho-Oh flying overhead will be guaranteed eternal happiness. It is the guardian of the skies and the master of Lugia's heavenly counterpart — where Lugia watches the sea, Ho-Oh watches the sun.