While in Golden Witch Modo, you gain the following:
Goldenslaughterer - You learn the Move Flamethrower and use one of your active Pokemon's Special Attack stats for it. This includes their Combat Stages.
Lastend Condutor - When using Features or Items that recover HP, add one of your active Pokemon's Special Attack to the amount healed.
Worldend Dominator - You may use Focused Command on any allied Pokemon.