Do Battalions matter for army Allegiance?

[Taubeast]

So, I was looking at a spiderfang army, and wondered how the battalion affects the overall army allegiance in relation to grot spider riders still being battleline units?

 

Specifically, since the spiderfang venom mob is an Orcs and Goblins battalion, will grot spider riders still be battleline? Does the army still have the Spiderfang Allegiance?

[BaldoBeardo]

No. The spiderfang venom mob is listed as an O&G battalion, so no it's not correct allegiance.
Also, Forest Goblin Spider Riders as used in that battalion don't have a points value, so can't be used in matched play anyway as per the GHB FAQ (I think?)

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