Dr. Ratio is a powerful free character available in Honkai Star Rail. He is a member of The Hunt Path, making him great for single-target damage against bosses. He also specializes in follow-up ...

The best Honkai: Star Rail Dr Ratio build is flexible enough to work with several Light Cones and a few interesting Relic options, thanks in part to Dr Ratio's unique kit and follow-up attacks.

Dr. Ratio joins the playable character roster in Honkai: Star Rail's version 1.6 update and is provided freely to all players as a gesture of appreciation for the game. This being the case ...

Previously, HoYoverse gave away Dr. Ratio for free to commemorate Honkai Star Rail winning the Google Play Best Game of 2023, iPhone Game of the Year, and TGA 2023 Best Mobile Game awards.