The 镕铁少女 光辉女郎 synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with 光辉女郎, compared to her overall stats. Significant differences are areas of focus that highlight how her gameplay changes when paired with this other champion.
Overall, 镕铁少女 sees a very large drop in her KDA (ratio of kills and assists to deaths) when paired with 光辉女郎. His KDA worsened from NaN to NaN. This negative change shows that 光辉女郎 helps 镕铁少女 perform poorer in competitive League of Legends games. Yet, the small difference demonstrates that this performance change is not very impactful.
When 镕铁少女 tries to synergize with 光辉女郎, she observes a clear improvement in her total damage dealt. This difference may signal that 光辉女郎 provides protection for her to deal more damage or that her presence on the team also helps extend the game's duration. Similarly, when 镕铁少女 is played together with 光辉女郎 on the same team, he usually scores many fewer killing sprees than when she plays without 光辉女郎. This is contrasting evidence that she is worse when playing synergisticly with 光辉女郎.
Additionally, when 镕铁少女 plays with 光辉女郎 on the same side, she often takes more damage than when she plays alone. Receiving more damage could mean that 光辉女郎 does a poor job of covering 镕铁少女 in teamfights.