Roaring Moon does not evolve. Its design draws on Mega Salamence, with large red wings curling into a crescent-moon shape, and it shares a base stat total of 590 with its counterpart Iron Valiant, higher than most other non-Legendary Paradox Pokémon.
Both are the final and highest-leveled Pokémon on Professor Sada's or Professor Turo's team in their first battle, the only ones there holding a Booster Energy. Both are numbered apart from the other non-Legendary Paradox Pokémon in the Pokédex, and both became 7 star raids at the same time.
Roaring Moon ex arrived in Paradox Rift as four cards: a Double rare, an Ultra Rare, and a Hyper rare by takuyoa, and a Special illustration rare by Ryota Murayama. takuyoa also drew an SVP Black Star Promo Roaring Moon ex. Temporal Forces and a 2024 McDonald's Collection promo both used art by hncl, and Prismatic Evolutions added a plain Rare, also by hncl, alongside a Special illustration rare ex by Shinji Kanda.
Paradox Rift Roaring Moon ex Special illustration rare by Ryota Murayama.
Paradox Rift Roaring Moon ex Hyper rare by takuyoa.
Prismatic Evolutions Roaring Moon ex Special illustration rare by Shinji Kanda.
No, Roaring Moon is a Paradox Pokémon that does not evolve.
It is based on Salamence, specifically its Mega Evolved form.
Our catalog lists 9 Roaring Moon cards across 5 sets, from Paradox Rift through Prismatic Evolutions.

トドロクツキ
Dragon · Dark
Roaring Moon is the Paradox Pokémon, a dragon/dark type based on Mega Salamence with crescent-shaped wings, sharing a counterpart relationship with Iron Valiant. Our catalog lists 9 Roaring Moon cards across 5 sets, including a Paradox Rift special illustration rare ex by Ryota Murayama.