This article is a stub. You can help Pretty Rhythm Wiki by expanding it. Normal Stones are the lowest grade of rarity of Prism Stones in the Pretty Rhythm arcade game. They are one rank below Rare Stones. Retrieved from "https://puritirizumu.fandom.com/wiki/Normal_Stones?oldid=24369" Categories: Article stubs Prism Stones Lexicon Community content is available under CC-BY-SA unless otherwise noted.