Yanagio inujiro failed, but Li Yifei succeeded, which made Yanagio Inujiro curious. However, he also understood that unless Li Yifei suffered a bit, he wouldn't be subdued, so Yanagio Inujiro didn't bring it up and instead, his whole body erupted with a dominating aura, pressing toward Li Yifei.
If Li Yifei were to comment on the intensity of someone's aura, among the people he's encountered, Yao Lingfu's would be much weaker than Yanagio Inujiro's, whereas Murong Yuanqing's aura is indeed strong, but calm, without the violent, bloodthirsty feel of Yanagio Inujiro's.
As for Li Yifei himself, his aura carried a bloody, murderous air, somewhat similar to Yanagio Inujiro's, only Yanagio Inujiro's was more sinister, more violent.
Li Yifei harnessed his aura to resist, their auras clashing together, starting a confrontation.