Not only in Universe 2 and Universe 11 did the Supreme Kais bring fresh forces from their respective realms, but the other universes experienced the same.
Planet Sadala, Universe 6:
Hit, Frost, Magetta, Botamo, Cabba, and others led one hundred thousand Saiyans of Planet Sadala as they clashed against the invading Dark Demon Realm Army.
Kaleel and Caulifla used the Potara earrings provided by the Supreme Kai Fuwa to fuse into Super Saiyan Blue Kefla.
Chapter 305