Reign of the Seven Spellblades IV
| Volume Title | Reign of the Seven Spellblades IV |
| Japanese Volume Title | 七つの魔剣が支配するIV |
| Light Novel | Nanatsu no Maken ga Shihai suru |
| Publisher | ASCII Media Works |
| Light Novel Label | Dengeki Bunko |
| Author | Bokuto Uno |
| Illustrator | Ruria Miyuki |
| Target Readership | Male |
| Volume | 4 |
| Release Date | October 10, 2019 |
| Pages | 344 |
| ISBN-10 | 404912789X |
| ISBN-13 | 978-4049127898 |
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