In the italian The Hobbit SBG-community the following question has been raised:

Does the "Immovable Object" rule contradict what is written in "Magical Powers and the Mumak"?

I mean, if I cast a movement-controlling spell (Command/Compel/Transfix/Immobilise/Eldamar Madrigal/Paralyse/A Fell Light is in Them/etc) on the model controlling the Mumak, can I control the movement of the Mumak and move it (or stop it from moving), as one can understand reading the "Magical Powers and the Mumak"? Or does it clash with the "Immovable Object" rule, since it is stated that the Mumak can't be moved against its will?

What do you think?

Thank you!

The fact that you're casting on the Chieftan in charge of the Mumak would make it seem like you're controlling him, and you would drive the beast the way you want.

I'd rule in favor of magic working.
I dislike how potent magic is in this game.

I use it thought because it's necessary

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BLACKHAWK 2010 2013 2015 DYNASTY

No, the two are not contradictory exactly. LordoftheBrownRing is right in saying that since the model controlling the mumakil is being effected by the spell the mumakil is moving normally, just under the other players control. As opposed to moving from the effects of a call winds or hurl, which is not normal voluntary movement made by the driver under one of the players control.

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"Draw your sword with a heavy heart, but swing it with a heavy hand"

I agree with you so far.

Honestly I can't see any contradiction and, as far as I understand, the rules work exactly how they worked in 2004-5, when they clearly stated that the spell Command could compel the Chieftain to move the beast.

Still the italian community's moderators have ruled that this cannot happen, since the Mumak would be moved against its will (Immovable Object).

That's why I'm asking about your point of view, to shed light on this matter.

Hmm. I've had troubles like that with my own local players. The best thing to do would be to appeal to a higher authority, like the GBHL or a moderator here on the forum or even GW, and hope that their making the same case with sway your resident hard heads into seeing thins your way. Because, on a technical level, what constitutes as being "moved against it's will" is really beyond what can be parsed out by us here. I recommend going to GW though.

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"Draw your sword with a heavy heart, but swing it with a heavy hand"

Would be nice if you updated the topic with the answer.

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Conversation/Ideas over painting etc, can check here:
http://www.one-ring.co.uk/viewtopic.php?f=50&t=29455

Asked to GBHL if the Chieftain can be commanded to move the Mumak. The answer is:

"Yes, if you command the Commander then you move the mumak, and may trample."

Thank you all