 Using himself and Mr Diagoras as the test for the Final Experiment, he was transformed into the first Hybrid Dalek.While in his new body, he began to feel humanity for the first time in his existence, being motivated by emotions rather than the traditional Dalek drive to conquer, saying that Davros, the Dalek's creator was wrong.Motivated by this, Sec asked the Doctor to help him create more hybrids using human bodies.