These twelve replicas are capable of altering their appearance to become identical to Master Xehanort, with them initially appearing this way. However, their true appearance soon consists of a black armor covered with a dark purple tunic decorated with red, with clawed gloves, high-heeled boots and a mask of silver goat hiding their faces.
The Replica Xehanorts appeared to assist Master Xehanort in Scala ad Caelum. Sora, Donald and Goofy then identify them with remnants of previously vanquished Seekers of Darkness, mainly because of their numbers. But when these Replicas are defeated by the trio, Master Xehanort reabsorbs them in his body, as well as their powers, and covers himself with armor similar to theirs, but much more imposing.
After his armor breaks, Xehanort releases the replicas to stop the Guardians of Light, who are holding off Kingdom Hearts. The replicas attack with their own copies of No Name, sending Lea, Roxas, Xion, Aqua, Terra, Ventus and Riku into keyholes leading to a dark void. A weakened Mickey is empowered by future Sora, blasting the replicas into dark smoke. After Sora helps rescue the Guardians and restore Kairi, the remaining essence of the replicas combines into a copy of Armored Xehanort that attacks Sora and Kairi. After being weakened, the Armored Xehanort replica is destroyed by a combined blast of light from all ten Guardians.
Each Replica Xehanort uses the weapons and powers of a different Organization member, aside from Master Xehanort himself. The replica of Ansem, Seeker of Darkness, does not have a physical weapon, and relies on the powers of darkness and the Heartless. The replica of Marluxia also uses a smaller scythe in comparison to the original. Aside from the Keyblades, all Replica Xehanort weapons adopt colors based on themselves.
- Kingdom Hearts III Ultimania