[sblock=Imerak]
Knowledge (arcane) +23: 14 ranks + 6 Int + 3 feat
Knowledge (history) +21: 15 ranks + 6 Int
Knowledge (the planes) +21: 15 ranks + 6 Int
Spellcraft +21: 13 ranks + 6 Int + 2 synergy
Concentration +16: 15 ranks + 1 Con
Craft (alchemy) +21: 15 ranks + 6 Int
Decipher Script +11: 5 ranks + 6 Int
Gather Information +3: 5 ranks - 2 Cha
Use Magic Device +2: 4 ranks - 2 Cha
Total Ranks: 101
By my count, you should have 105 ranks, unless some of those were cross-class skills like Gather Information or Use Magic Device taken with wizard levels, but I imagine this was probably just an oversight. I recommend 2 more ranks in Spellcraft, 1 more in K (arcana), and 1 more in UMD.
I also noted that you know some spells that have costly material components or foci required, but have not equipped such items. I have indexed them in case you are not familiar with them.
Identify (M): pearl worth 100 gp
Scrying (F): mirror worth 1,000 gp
Legend Lore (M): incense worth 250 gp
Legend Lore (F): ivory worth 50 gp
True Seeing (M): ointment worth 250 gp
I also went ahead and gave you a quarterstaff because, well, it's free.
Here is how I break down your expenditures:
amulet of natural armor +4: 32,000
bracers of armor +4: 16,000
headband of intellect +4: 16,000
gloves of dexterity +2: 4,000
ring of sustenance: 2,500
scroll of animate rope: 25
scroll of grease: 25
scroll of detect secret doors: 25
scroll of jump: 25
scroll of Nystul's magic aura: 25
scroll of Tenser's floating disk: 25
scroll of unseen servant: 25
scroll of reduce person: 25
scroll of gust of wind: 150
scroll of protection from arrows: 150
scroll of whispering wind: 150
scroll of clairaudience/clairvoyance: 375
scroll of Leomund's tiny hut: 375
scroll of speak with animals: 25
scroll of dimension door: 700
scroll of freedom of movement: 700
4 potions of cure moderate: 1,200
10 potions of cure light: 500
wand of fireball: 11,250
spellbook spells (two 2nd and one 3rd): 700
That leaves you with 1,025 gp left. You might want to use some of that to purchase material components and foci for your spells.
[/sblock]
Jemal, -SIN-, and Steve Gorak, I will look at your characters as soon as I have time. It might be a little while though. I just want to make sure potential issues are cleared up ahead of time so they don't cause problems down the road.
By the way, this is a tough dungeon so don't feel afraid to optimize your characters a little bit.