Horizon 'Mons features 12 custom signature moves for some of the new Pokémon.
The following is a list of all custom moves added in Horizon 'Mons:
| Move | Type | Cat. | Pwr. | Acc. | PP. |
|---|---|---|---|---|---|
| Feeding Frenzy | Ghost | Physical | 120 | 100% | 10 |
| Feral Instinct | Ghost | Physical | 80 | 100% | 10 |
| Ferment Roll | Poison | Physical | 70 | 100% | 10 |
| Insight | Psychic | Special | 30 | 100% | 20 |
| Lucky Draw | Psychic | Special | - | 100% | 10 |
| Matriarch Carve | Fairy | Physical | 75 | -% | 10 |
| Petal Shed | Flying | Physical | 80 | 100% | 10 |
| Shadow Swipe | Ghost | Physical | 95 | 100% | 20 |
| Sticky Shot | Water | Physical | 95 | 80% | 10 |
| Turn Initiative | Fairy | Special | 95 | 100% | 10 |
| Uproot | Grass | Physical | 140 | 100% | 5 |
| Vitrify | Fire | Physical | 75 | 100% | 10 |