A successor to the Mighty Strike Freedom, it was built as the exclusive machine for Kira Yamato and Lacus Clyne.
The Proud Defender was given fixed armament and the cockpit was changed to a two-seater.
The transformation mechanism of the Rising Freedom was adopted, making it a transforming machine.
Fixed armaments were added to each part, increasing the number of usable weapons beyond those with high power and energy consumption, and improving energy efficiency.
The disruptor and other weapons were modified to be saved as a last resort.

Eternal Freedom | トール's Gunpla works