| Type | ghost | 
| Category | Physical | 
| Power | 90 | 
| Accuracy | 100 | 
| PP | 10 | 
| Introduced | Generation 7 | 
The user hides in the target's shadow, steals the target's stat boosts, and then attacks.
When a Pokémon is holding Ghostium Z and uses its Z-Power, Spectral Thief turns into Never-Ending Nightmare and has base power 175.
When Marshadow is holding Marshadium Z and uses its Z-Power, Spectral Thief turns into Soul-Stealing 7-Star Strike and has base power 195.
| Sun Moon Ultra Sun Ultra Moon | The user hides in the target’s shadow, steals the target’s stat boosts, and then attacks. | 
| Sword Shield | The user hides in the target’s shadow, steals the target’s stat boosts, and then attacks. | 
| B.Diamond S.Pearl | This move can’t be used. It’s recommended that this move is forgotten. Once forgotten, this move can’t be remembered. | 
| English | Spectral Thief | 
|---|---|
| Spanish | Robasombra | 
| Italian | Ombrafurto | 
| Japanese | シャドースチール (Shadow Steal) | 
| German | Diebesschatten | 
| French | Clepto-Mânes |