The official artwork has been revealed for Marshadow in its appearance when using moves during Pokémon battles in Pokémon Sun and Moon. You can check it out in the image above. The official artwork for Marshadow’s Z-Move Soul-Stealing 7-Star Strike was also recently unveiled. Also known as the Gloomdweller Pokémon Marshadow is a Fighting/Ghost-type Pokémon with the Technician Ability. It cannot be encountered in normal gameplay; therefore, The Pokémon Company will eventually announce how players can get this Pokémon for their game. Marshadow is also set to appear in Pokémon the Movie: I Choose You later this year.
Source: Serebii
Pokémon Blog 
Marshadow looking badass with his looks and hair turning green!
His eyes also have some nice fire coming out like lighting eyebrows. 🙂
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When I first saw Marshadow’s design, I thought it was for sure gonna be a Fire/Ghost type XD
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Ikr? But making Marshadow a fighting ghost type is a rare treat for my eyes. lol
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