Simplify the following text for a Grade 12 native English-speaking person.
Original: ; Final Form Drastically differing from his previous transformations , in his final form Frieza instead regresses , becoming shorter and less bulky , his horns and spikes disappear and his physique becomes streamlined .
Simplified: ; Final Form Drastically differing from his previous transformations , in his final , true form Frieza instead regresses , becoming shorter and less bulky . His previous form shatters , causing his horns and spikes to disappear with his physique becoming entirely streamlined .