Skeletal Class II malocclusion with mandibular retrognathism is one of the most common problems in orthodontic practice. There are assorted treatments to correct them, such as Myo functional appliances & Fixed Functional appliances. Functional appliances are commonly used for the treatment of class II malocclusions with growing individuals. The accomplishment of treatment with a functional appliance depends on the patient’s cooperation and skeletal growth status. Severe discrepancy cases need to address step via step vise advancement. This case report discusses the importance of two-step advancement for a more skeletal result. Anderson’s activator with torquing spurs was used. After the active phase of two-step functional therapy. The Rickanator was used for retention therapy followed by fixed mechanotherapy. The activator successfully corrects the problem of the retrusive mandible & proclined anterior with favorable mandibular growth & restraining maxillary anterior. The active treatment lasted for 22 months. This two-phase treatment yielded a pleasing profile and good occlusion in this patient.