Complex sentence: Freed from the time loop, Giratina is captured by Zero using a device to absorb Giratina's abilities which was originally built by Newton, but he cancelled the project upon learning Giratina would be lost as a result.
Split into simpler sentences: Freed from the time loop, Giratina is captured by Zero, who is using a device to absorb her abilities. The device was originally built by Newton, but he cancelled the project upon learning Giratina would be lost as a result.