Honkai: Star Rail: Dr. Ratio Acrylic Keychain - Tiny Cat Series

Dr. Ratio might give us zero points for spending our credits on merch instead of studying, but honestly? We're willing to take the failing grade for this. The 'Tiny Cat' series is easily of the most charming collections miHoYo has released, and the Doctor's feline counterpart is peak character design.

Visual Highlights

This keychain captures Dr. Ratio in all his intellectual glory, complete with his signature laurel wreath and that classic 'I'm surrounded by idiots' expression we all love. But the real star is his cat twin—look at that matching purple fur and the tiny laurel crown! The set even includes a secondary charm featuring a round white cat with a little yellow bird friend, adding that extra layer of 'comfy' to your bag or keys.

For Collectors

If you're a member of the Intelligentsia Guild (or just a Dr. Ratio enthusiast), this is a must-have. It's a playful departure from his usual serious demeanor and looks fantastic paired with other Star Rail charms or displayed on an ita-bag.

• Product Type: Acrylic Keychain
• Character: Dr. Ratio
• Series: Tiny Cat Series
• Material: Acrylic
• Size: Approx. 63 × 66mm

⚠️ Please avoid contact with sharp or hard objects to prevent scratching. Keep away from high heat and direct sunlight to maintain color vibrancy.