The name of a rule is just as important as the description, it adds details to how the rule works. The explanation of the rules after the description are in some cases brief (Panic Steed for example) therefore it is important to look at the rule in the context of what the authors meant. Panic Steed explains how the steed is removed from play. The rules description doesn't go into detail about why the steed rears and without the name of the spell it could imply anything. The steed panics in fear and is removed from play. Therefore to reiterate, the name of the rule very much affects how the rule is interpretted. We are getting off-topic talking about names, we could go into it but I want to keep to the point in question.
GothmogtheWerewolf wrote:
In the case of the Mumak it is described as a Mount, it mentions spellls which can't affect it, none of which are Panic Steed, it says it is immune to Terror which is irrelevant, (if the Mumak could not 'Panic' to pretend to take your argument, what do you call a 'Stampede'?). Thus the rules (stupidly) say that Panic Steed works.
Read my answer again. It also mentions names of spells which do affect it, none of which are Panic Steed. It is not only immune to Terror but doesn't fear anything (this is NOT irrelevant). To stampede and to panic are two totally different things altogether! Panic is caused by fear (something a Mumak isn't affected by since it is too dumb witted to fear anything). To stampede as explained in the rules is to be "driven mad by pain". "When this happens the Mumak are likely to wreak mayhem and destruction among the ranks of their allies as much as their enemies". It reads that wounding a Mumak and causing it to stampede because of the pain will drive it into a madness of destruction.
GothmogtheWerewolf wrote:
In the case of a Mumak, if we were to theme the Panic Steed spell, we would assume that Radagast did drive the Mumak mad, causong it to flee the field.
If we assume Radagast drives the Mumak mad, then the Mumak will Stampede not disappear as per the rules "remove the model". The Mumak however won't flee the field as we all know. When Stampeding the opponent can move it off the field if it can reach the board edge but this is not what the rules imply. Even if it did imply the spell causes madness, the Mumak would have to move through other models in the way to reach the board edge. Going back to the main point you can't Panic Steed a Mumak because it fears nothing. I have explained why your point on Panic Steed and madness is irrelevant, the Mumak willl Stampede, not flee the field of battle.
The rules have not changed, just the interpretation by some because of a missing description. It still states the Mumak fears nothing (which complies with the Stampede rule as that reflects it's anger in taking wounds).