What is it Command Values?

[Aldebaran]

Command values appears in the card of Zaalak (Teknes) but is not defined command values
What is it command values?

Thanks very much

 

[EvilDave]

Leadership Value.

 

[Aldebaran]

Leadership Value.

And if the aura touches a single model (any model, enemy model) affects the value of leadership any leader for those unit?

 

[EvilDave]

Any enemy leader in the Zaalak's abomination aura has its Leadership Value reduced be -2, to a minimum of 0.