|Red Imperial Sword Caina|
|Name||Red Imperial Sword Caina|
|Known Users||Abyss Trinity|
The Red Imperial Sword Caina (赫皇剣カイーナ Kakuōken Kaīna) is a weapon of great power. This weapon can only be used by a Magic King or Magic King Candidate who has gained access to three Archives. It has since fused with Abyss Trinity, becoming his new body.