Also, armor piercing arrows could be an option, but fire arrows and armor piercing arrows would be too much. Largely because this would absolutely destroy the role of current rohirrim archers -why would I buy a unit I have to upgrade (without any discount) and which also takes away 120 CP, when I get the same effect for free, for a unit which only takes 90 CP and with a switch to melee? The ranged form of these rohirrim is in my opinion more of a little boost (especially as the related tent already gives forged blades) and no substitution for any cavalry unit Rohan already has. I think that Rohan's LG-problem must be dealt a layer deeper than just making the Muster Camp ridiculously powerfull.
How would it make it ridiculously powerful? 99% of games I play, people go for Ents first, and for good reason. The Muster Camp takes a really LONG time to upgrade to its full potential, and its still very east to destroy in the grant scheme of things, all you need is a couple of rams. Giving the Rohirrim from the camp the ability to get fire arrows and armor piercing arrows would just make the camp more valuable in the eyes of players, especially since you can get the Rohirrim here for only 90 CP. This would be extremely helpful in solving Rohan's late game issue, because you could get a big enough army of mounted cavalry to counter a huge pike spam. The only current option Rohan has is to spam Rohirrim Archers anyways, but this isn't very effective purely because they are 120 CP. Finally, this would once again fit perfectly with the theme of the Muster Camp, the place where Théoden summons his best warriors to go to war.
EDIT: Moved post in another thread here by request of moderator.
1. Would it be possible for the Muster Camp to be able to also call upon Eastfold Rohirrim benefitting from the upgrades?
You could alternate between the two and this might give some more flexibility to the Muster Camp and the late-game matchups.
Rather than doing this, it would make more sense in my view to just make the Rohirrim summoned from the camp stronger than other Rohirrim. This would add some incentive to get the muster camp instead of ents, and would also represent that these cavalry are supposed to be Théoden's best men.
2. Could the Rohirrim General perhaps boost the level of the spawned Rohirrim by 1?
Since they cannot benefit from Banner Carriers, I thought it might be logical to beef them to Level 2 at the least if they get an attached Rohirrim General.
Makes perfect sense to me, especially surprised that nobody(including myself) has thought of this until now. I guess fresh eyes really do help.
3. Can Hama's summon of the Royal Archers be elongated?
I find it lasts quite a short while and getting Hama to level 10 is no easy feat. I think it would be justified if the summon timer was prolonged. Another option might be to simply make the summon permanent and limit the unit to 1 on the field. However, I think the first option would be better suited for now.
In terms of having it be a perma-summon, that has already been discussed and(I think) decided against. I would still love to see it be a permanent summon though.
1. Is there any interest in giving a hero from Rohan the ability to summon Rohirrim just like Gamling can summon Peasants? I feel like Rohan plays like the summon faction of the Good factions, just like how Angmar was the Summon faction of the Evil faction. I think either Eomer or Theoden the Cured. I think it might give some interesting alternatives, where you could start with Gamling, supporting a Peasant orientated strategy, while the other hero could promote a quicker cavalry start.
The summon faction for good is pretty clearly Gondor
Good idea though, I would recommend having Gamling summon peasants while he's on foot and Cavalry while he's mounted.
2. The Rohirrim spawned from the Muster Camp can come equipped with bows if you upgrade the camp with the corresponding tent, however I noticed that the arrows seem not to pierce heavy armour, like Rohirrim Archers do. Would it be possible to add this feature to them?
100% agree, pretty sure I've brought this up in the past as well. Their bow switch is very weak as compared to the trainable Rohirrim Archers, they should get both fire arrows and the ability to pierce heavy armor to have them stack up with the trainable ones.