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

Series: Zenless Zone Zero x ChaBaiDao Collaboration

This badge is a perfect addition to any Honkai bag or display board

Franchise: Girls' Frontline 2: Exilium

and Victorian mystery

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