With the tentative plan of attack that is being put on the table, this makes clear a number of things we need to seek answers to.
1) IF we are doing weapon Bless effects, against whom shall we make them targeted, I suggest perhaps the Wang-Liang might make the most sense. Thoughts?
2) We need to determine if any of the Hebi's forces set up shop on the Main Floor of the Shrine, or Basement (at least of the 17 main actors listed), there may well be more gaki and serpents on the other floors that might distract us for a moment or two. Attacking them will be the job of those who do not have other duties or objectives that round. (like if Til'k needs to deal with the "trapdoor", Gorvak, Mulan, Magoun and Zenako should kill any monsters, while the spell casters cast more spells.
Making any determinations on the defenders of the upper portions of the Shrine is useful.
3) Attempting to divine/scry the current set-up in the PIT area, and if other exits from that chamber exist. So that we can be alert to possible new forces on the field, or avenues of retreat that might get used. Other static defences or spells in play would be useful to know. IF she has for example put up walls where none used to be, helpful to know.
4) IF it is likely that the Hebi will sense the scrying, perhaps focus on those around her instead, and provide her as little warning and insight as possible. Just like the Vanara was able to notice your probes, she too may be able to, and if she stays in the Globe most of the time, would that also not prevent any scrys spells from probing her at that time too? Using the Tsuno or Wang-liang might be the best choices at first.
5) Up until we read the Holy Aura scroll, everything we are doing could be restocked and repeated in two days (or maybe even less), so we are not completely committed until then. I would say however, that once we penetrate into the Inner courtyard, that if I were her, I would review staying in a static defense posture and at least seek to harm us where we stay by using some mass attacks. If she can Teleport, she could pop in near our camp with say a couple of her spell casters and lay down a few rounds of serious smack on us, and then just retreat with another Teleport spell before we can respond.. She could do this a number of times in one night, leaving us drained of Hit Points and spells, and perhaps having lost a few allies as well. She can bring along 700-750 lbs of allies with her spell, so at least one and maybe two helpers at a time. If she is only 14th level, she could cast up to 14 teleports a day, enough for 7 round trips. WHEN we attack her, we must complete the deal. Her minions will be awaiting direction, and if we cut off the HEAD, we render the cult clueless and subject to defeat. IF Magoun can turn the sisters to our side, then it should be a simple matter at that point to defeat the remaining forces with a shift of 4 forces from one side to the other.
6) From discussions thus far, it seems we have an agreement with the Murimotos and RokuriBuko. They get the honor of cleansing the Middle courtyard and any treasures found within, with the exception of religous writings and scrolls that we want to return to Waterstone with. Their force will act independantly from ours once we rush the Shrine. I would offer that when we are finished with the battles, and have a chance to reflect, we may also find that certain items we gain, might be more usefully wielded by members of the opposite group and perhaps some exhanges would be in order.
For Example: say we end up with a bunch of "+1 weapons" or the like that the Bushi/Fighters for the Murimoto could clearly use, and they end up with some Arcance Magic Items that none of them could use (only having a Shugenja if we really know their forces as they truely are.) Such as swap, using the advice of the Imperial Sorceror to ensure it is equitable, should be considered.
7) Our "agreement" with Magoun seems to consist of making an effort to help him liberate his beloved and her sisters, and that is all he seeks. As such, any possession those warriors have would also clearly go with them.
8) IF people get poisoned, we need some plan to deal with it after the fact. The Delay Poison will give us time (unless it gets suppressed by going into a Globe!) IF we have time, we can ensure that anyone so afflicted gets as much boost to their chance to make the FORT saves as possible. Mulan has a HIGH Heal skill with a +9 skill mod (+11 if using her healers kit), so she gets a parrelel chance to help beat the poison DC. +11 is way better than many of our groups FORT saves. She will however not really be able to help more than one person at a time and I would suspect that might be an issue. What we can do about this however is to stagger our Delay Poison Spells so that they end at different times, say perhaps five minutes apart. Mulan and Isaku can cast them as we approach the Temple so that we don't have them all expire within rounds of each other!! Hey thats a good idea...we should do that!
9) Light sources: Zenako's sword sheds light in a 20' radius, some light spells cast on a few people or items might help as well. We should not be having anyone using up a hand holding a lantern or torch. Light lasts 10 min/level so we cast it outside the temple compound on assorted people.