How Can I Cultivate Immortality After Awakening to the Dog-Licking System?

After countless years. Xu Ping, who faced the powerful debuff of "the system forcibly withholds 50% of the training results", finally reached the Immortal Realm. As for how he practiced. Of course it depends on your own hard work! Could it be that his beautiful saints, sword fairies, witches... Disciples would use their dual cultivation to help him?