The rule of Four

1 king of hearts
1 king of spades
1 king of diamonds
1 king of clubs

1 queen of hearts
1 queen of spades
1 queen of diamonds
1 queen of clubs

the other 11 are all followers.

So there is the rule of Two, the king and the queen,

The rule of Three is revealed as the bond between them.

and the rule of Four is of the four different personalities, and what horseman of the apocalypse they will succumb to.

...And God spoke!

More Later.