Really cool start and i quite like the art animations are clear who is attacking and where

From a quick flick though part bug report part suggestion:

Typo: on the apostle description you've put "only one Pontiff can exist at the same time" when i suspect you mean apostle

I acknowledge this is supposed to be a bit of an OTT power mod but:

The Elven Princess is spawning in as a tier 3 Druid with all spells unlocked if this is unintended then bug report, if it's intended then it costs way too little and is a bit OTT even for an OTT mod, shes already pretty powerful and interesting just as a unit, give her a ritual that lets her spawn in more rangers for a few relics and leave it at that.

The death doll from the reincarnate champion same issue, same logic it's powerful enough with its base stats and abilities to be interesting and it's already got a bit of a thematic necromancer vibe from the spawning spirits thing you've given it so it doesn't really need to be a tier 3 ritual caster on top particularly when its cost makes it a mid game unit not a late game one.

If you toned those 2 down a bit the power level I would say might be surprisingly close to on par with the total overall mod line once you add in some more late game features as you've mentioned in the description

Also more of a personal feeling but making the pillbox a large creature (2x2) would probably make it look better

I admit those rituals are actually placeholders. The Elves and Reaper are both supposed to have their own sort of unique rituals, I just didn't get around to developing them yet. For the next version, I'll remove most of the extraneous spells and add a few basic rituals to the Elf that I feel would be well-served (maintaining control over a forest, and transforming herbs into other resources mainly)

EDIT: Oh, the Elf should be able to summon more of her goons. That's a bug! I'll fix it right now.

For the time being, I'll bump down the Elf to a T2 ritcaster, and remove some of the extraneous rites and more OP summons from the Lich girl.

I presume that there's already at least one cat/fox/wolfgirl/etc in the works? No harem isekai is complete without them!

Indeed! The Beastkin Berserker/Warchief is the next unit on the works!

What about the obligatory ninja girl/ samurai or a demon girl or maybe even dare I say a dragon girl though I'm probably getting ahead of myself here

Ninja, maybe. I couldn't find a good niche for them. Dragon Maid is a future T2, while Sword Saint is a T3 in the roadmap

Hmmmmm maybe for the ninja a mix of assassination specialists and ninjutsu naruto-esque magic users relying on stuff like evasion, air shield displacement etc for survivability maybe using gems for different elements?

Potentially the ninja could launch assassination missions in a similar manner to the cultists horror sniping.
Another potential commander could be a robot girl/golem girl bonus points for them having a maid outfit which could have gem and iron costing rituals so you can create an army of loyal automatons perhaps some kind of hybrid between hoburg clockworks and animated armour

Robot girl, huh? I had an engineer in mind but not an automaton. I guess they are a stereotype too. Might be fun to add as a special summon for the engineer.

In the future will we get any more variation in summons for the current girls we have or are going to focus more on new content?
For example some more variations of modern equipped soldiers maybe an armoured shorter ranged firearm like a shotgun user or for the elf maybe a chance of getting more magical themed archer which has stuff like entangling arrows etc but you get them in smaller numbers and they are rarer or you can only get them in ancient forests or some kind of druidic elf since they are often depicted as using nature magic.

Both will get added, this is drawing practice for me so this will likely get kinda bloaty. I'll probably stop after around four or five for each tier for the commanders, and then branch out using their summons and rituals.

I have no issue with that as I will admit I love mods which add more stuff to factions as it means I have more stuff to play with and I can't wait to see more updates to this mod which I never knew I wanted. So keep up the awesome work.

I very much appreciate the Astral Window update--after all, how can the Outsider take the fight to the Demons if he can't reach their plane?

Though with that said, starting the Outsider with Wizardry 3 feels like overkill. Why not start him with Wizardry 1 and upgrade him when he ascends/the first time he recruits a higher-tier commander as a replacement for the standard ritual mastery system? Likewise, flying is nice but doesn't feel right for early Isekai-kun, and also not really necessary with Fast Travel and abundant scrying. At least to me it'd feel more thematically appropriate for him to start out as a basic dork but then power-level his way to godhood, as is common in the isekai genre. He can have a Warmaiden commander and Battlemaiden starting army, as his first follower takes it upon herself to protect his mostly-useless ass.

I'll definitely look upon a more grounded start and intermediate upgrades rather than jumping straight to Godhood.