Saber (Fate/kaleid liner PRISMA☆ILLYA - 5HGW)

The Saber (セイバー) Class Card of the Sixth Ainsworth Holy Grail War was one of eight Class Cards transported to Illya's world in Fate/kaleid liner PRISMA☆ILLYA.

Identity
The True Name of the Heroic Spirit of the Class Card is 'King Arthur, Artoria Pendragon, the legendary King of Knights of Britain who pulled the sword of selection from the stone. As there are many sides to her in terms of personality, she normally possesses a "serious personality as straight as an arrow", but Illya's Installation of the Class Card brings out the Princess Knight side of her.

Appearance
When manifested, Saber takes the appearance of Saber Alter.

Role
The Saber Class Card manifests in the same location as the Caster Class Card, under the Fuyuki bridge. Saber appears after the retrieval of Caster. She overwhelms Illya and Miyu, and even Rin and Luvia utilizing the Kaleidosticks are only able to damage her enough that her barrier is destroyed. She then utilizes Excalibur to easily defeat them. Chloe, channeled from within Illya, then installs the Archer Class Card, and she manages to destroy Saber with a projected version of Excalibur.

Miyu later Installs the Class Card to fight Berserker, but proves to be insufficient to fully defeat him. Both she and Illya later Kaleid Install it to finish him off.

Heroic Spirit
Artoria is said to be called most excellent Heroic Spirit through her attack power, defensive ability, reaction speed, magical ability, and Noble Phantasms. As the blackened Heroic Spirit, she utilizes a black barrier mist made of dense magical energy as both an offensive and defensive ability. It automatically blocks all magic attacks directed towards her, and she can direct it with her sword to launch it as a projectile at the enemy. It is strong enough to easily pierce through powerful barriers, and even if it is blocked, her swordplay with Excalibur is able to easily overwhelm all opponents.

Although she possesses Invisible Air, a wind bounded field used to hide her Holy Sword Excalibur, the sword always appears in its released state because there is no reason to hid it. It normally covers the sword in many layers of wind that obscure it by changing the air's refractive index. Excalibur is at the pinnacle of Holy Swords, able to convert the owner's magical energy into light. Increasing its momentum through convergence and acceleration to the utmost limit, it releases the energy in one slash that is said to reach the level of Divine Spirits. The blackened Heroic Spirit possesses a blackened Excalibur due to it being an amplifier that converts its owner's magical energy.

User
Including the Class Card grants usage of Excalibur.

Installing the Class Card grants Artoria's abilities, armor, and Noble Phantasms. Miyu Edelfelt's Install is more reminiscent of the King of Knights, while Illya's is more to the style of the Princess Knight.

Utilizing Kaleid Install with both Kaleidosticks brings about nine copies of Excalibur that are simultaneously released.