Frieza, in his Second Form, is a major antagonist in the Dragon Ball Z series during the Namek Saga. After being pressured by the Z Fighters, Frieza transforms into this more powerful and intimidating state, dramatically increasing his strength and size. In this form, he easily overpowers most of his opponents, showcasing his ruthless and sadistic nature. Frieza's Second Form is significant as it marks a critical escalation in the battle on Namek, highlighting his role as a relentless and formidable enemy.