Forma nocturna: Su osadía y temeridad son tales que ataca a sus adversarios siempre de frente, sin importarle las heridas que pueda recibir. Su nombre japonés, Lugarugan, procede de la combinación de la palabra francesa loup-garou (hombre lobo), de ガルルル garururu (onomatopeya japonesa del aullido de un lobo) y de 岩 gan (piedra). Midnight Form: This Lycanroc has an extremely vicious temperament. It will happily sustain injuries for the sake of taking down its opponent.

Forma nocturna: Vive en soledad, sin depender de otros. Solo confía en los entrenadores que saben sacar a relucir toda su fuerza. Forma diurna: Un Pokémon tranquilo y prudente. Su melena de piedra es tan afilada como una cuchilla.Forma diurna: Su velocidad desconcierta a sus rivales. Ataca con garras, colmillos y con piedras afiladas de su melena. Forma diurna: Su melena de piedra es tan afilada como un cuchillo. Hostiga a su presa sin cesar hasta agotarla, para luego asestarle el golpe de gracia. Midnight Form: It's invigorated by powerful opponents–the stronger the better. A full-force headbutt from one of these Lycanroc can shatter giant boulders.

Its Midnight form is based on werewolves. Its appearance of red eyes, bared teeth and folded ears resembling a stereotypical "mad dog". Its duality with its Midday form may be based on the "involuntary" werewolf (a version that turns into a monstrous man-wolf hybrid on a full moon and becomes a vicious rampaging beast).

Midday Form: When properly raised from a young age, it will become a trustworthy partner that will absolutely never betray its Trainer. Bold indicates a main expansion. Italics indicate a special set. Releases that are entirely composed of prints from other releases are small. When properly raised from a young age, it will become a trustworthy partner that will absolutely never betray its Trainer. Unlike in Ultra Sun and Ultra Moon, Dusk Form Lycanroc can be encountered and caught in the wild in Sword, Shield, Scarlet, and Violet although the encounter rate is very small. In Sword and Shield, Dusk Form Lycanroc can only be caught in raid dens while in Scarlet and Violet, it can be obtained in both the overworld and raids (albeit at 6 star raids). Dusk Form: These Pokémon have both calm and ferocious qualities. It's said that this form of Lycanroc is the most troublesome to raise.