Honkai: Star Rail: Dr. Ratio Acrylic Keychain - 2025 Star Rail LIVE Concert Ver Event Merchandise holding a teapot and cup

holding a teapot and cup with the same tactical precision she usually reserves for her grenade launcher

They captured the essence of Shu's harvest spirits perfectly

Glitter Finish

We're especially obsessed with the translucent pink ribbons that swirl around him

standing out against the wave-patterned TPU body that captures that serene yet powerful Xianzhou aesthetic

Honkai: Star Rail: Dr. Ratio Acrylic Keychain - 2025 Star Rail LIVE Concert Ver Event Merchandise holding a teapot and cup"Knowledge is the measure of all things but apparently, so is rhythm." We all know Dr. Ratio doesn't settle for anything less than perfection, and this 2025 Star Rail LIVE concert appearance is no exception. If you're a member of the Intelligentsia Guild (or just a fan of his zero point roasts), this musical side of the Doctor is a must have. Visual Highlights Dr. Ratio is looking absolutely impeccable in his concert attire. He's swapped his usual