Operator trivia: Rosa
< Rosa
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- Her codename means "dew" in Russian,[1] as pointed out in Hypocrisy.
- Her real name, Natalya Andreyevna Rostova, is a reference to Natasha Rostova, the protagonist of War and Peace.
- Rosa has the traits of a polar bear (Ursus maritimus) similar with Aurora and Jaye, which is confirmed by its scientific name seen on Rosa's coat. Two of them can be seen in Rosa's Elite 2 artwork.
- Rosa is one of the six characters in Arknights with Heterochromia iridum along with Archetto, Asbestos, Quartz, Nightmare and Whisperain.
- Of all the Ursus Student Self-Governing Group members, Rosa is the only one who wears a different uniform which belongs to an upper-class school.
- Rosa is one of the few characters in Arknights who can break the fourth wall. She will occasionally look at the player and wave if left idle in the dorm or winks if deployed into the battlefield.
- Initially Rosa's name was written entirely in Cyrillic, thus making most Arknights players mistakenly believed that she was named "Poca." The Cyrillic romanization was included alongside her codename when Rosa was released to clarify this.
- Rosa's Epoque skin lacks the colored streaks of hair.
- While the teddy bears in the skin art are brown, they are white in the battle sprite. This is confirmed to be on purpose by her artist.