Ultimate Form

Ultimate Form is an ability introduced in Kingdom Hearts III. Ultimate Form is accessible when Sora wields the Ultima Weapon Keyblade.

Mechanics
It allows him to teleport around the battlefield in his dodges and towards enemies, allowing him to wield multiple swords in battle, overwhelming enemies with fast and powerful swipes that also possess great range, also rending the ground with each attack. His movement changes to a glide just above the ground also like Final Form. Like Nano Arms, Sora's guard changes to a Barrier-like form, guarding attacks from all angles but with blades instead of a shield, and his Keyblade takes the form of a rainbow-bladed sword. This form's unique Shotlock, "Infinity Circle" only locks onto one enemy, however once locked on has Sora charge a ball of light energy and cause severe damage to surrounding enemies, whether they were locked on or not. However this can end up draining more Focus than usual if the locking on is interrupted by other enemies, making it start over. The Finish command has Sora jump into the air and create a flurry of blades around him, dealing rapid damage before ending with sending a last circle of swords out around him in a great radius.

Appearance
It changes Sora's clothes to a design very similar to Final Form: He gains 3 crown insignias on each sleeve, stripes on the leggings and the outfit itself turns mostly white.