These non-canon Dragon Ball films have quite a few interesting elements that should be brought back into the mainstream ...
Frieza had revealed he had unlocked this brand new Black Frieza form after training in a Hyperbolic Time Chamber for an equivalent of ten years. He appeared and instantly defeated both god level ...
Frieza's Final Form is his true form ... continues to be elevated with each new arc, it's a wonder how there aren't more powerful warriors who come from the same planets as the Ginyus.