Although overtly the three families truly had a number of True Immortals that not only exceeded the Witch God faction but could even double their number,
the unity of the Witch God faction was far superior to that of the other three factions. The Demonic Cult did not need much mention, with incessant internal strife, unless there was a disaster that threatened their very existence, it was rare for these old demons to not fight among themselves, let alone unite.
As for the Buddhism School, it had always been known for its unity. However, as numerous Arhat Bodhisattvas certified their Tao, conflicts over different ideologies also emerged, and these conflicts in ideological understanding were fundamentally difficult to resolve. If the current circumstances were not adverse, the Buddhism School itself might have split.
