If possible, Hao Ren wouldn't want to meet the allied army nor the demons in the demonic plane. He would rather stick to his ideal plan: get in to Osidian Plain discreetly, rescue Y'zaks' daughter smoothly, then exfiltrate back to Earth; the whole operation wouldn't be on the sly.
This was truly a if-you're-not-with-me-you're-against-me kind of world. If Y'zaks was exposed, the whole world would hunt them down. Hao Ren wasn't prepared to experience the resurrection trick of Raven 12345 just yet; he was afraid to lose a limbs or two, or get additional 'spare parts' added to him if he were resurrected.
