Ruler-class Servant introduced in the Sixth Singularity of Fate/Grand Order. The famous detective created by Sir Arthur Conan Doyle, and arch-nemesis to James Moriarty (archer). Holmes becomes part of the regular cast during FGO's second major story arc.
- Chaldea Special Investigation Unit
- Fate/Grand Order Orchestra
- Heroic Spirit Formal Dress
- New Year's Mystique