Ryltar Thamior brought up a "bull" aspect of Khaine. Coincidentally, one of the themes I initially considered for my Void Hornets (DIY) was a gorgon. This was when I had them equipped with fusion pistols.
Admittedly, I have actually given some thought to a potential Aspect that I might feel tempted to write rules for when I (eventually) get some games under my belt with the Craftworld army that I will be (eventually) getting and sorting out.
As stands, all I really have is a rough idea... a concept... that still doesn't have a name yet because I suck at naming things.
Said concept is an Aspect that embodies Khaine's role as a Protector - a type of heavily armoured Eldar infantry unit that carries large energy shields (Think like the Gungan shields from Phantom Menace - Just Eldarfied) that provides them some manner of Invulnerable Save alongside a melee weapon. No ranged equipment except, perhaps, for the Exarch.
These Warriors might then have a rule that allows them to nominate a friendly infantry unit nearby, and have any ranged shots against said unit be resolved against the Protectors instead so that they form a sort of tanky unit that's there to help other units avoid being shot to death. Said rule would need tweaking, but I would ultimately want them to have an ability to that effect.
Interesting thoughts. And you can tell when somebody might have a D&D background - the main bull-like gorgon I can think of is the fittingly metallic one, that's probably informed by the Catoblepas (although for our purposes, Cavorting Catoblepas probably doesn't *quite* work as an aspect-lineage); although now that I think about it, there's also the ghorgon from AoS/Fantasy.
Anyway, allow me to do something nobody asked for and partially hybridize those two concepts, with additional helpings of Indo-European mythology & linguistics. Which I'll put in spoiler tags. [and before I do that, there's a fascinating discursion for another time about the manner in which Indo-Iranian conceptry considerably informs the earlier Eldar fluff development ... which I largely mention here because I'm quite keen on going 'back to the classics' and reintroducing them vibes wherever possible in new developments. Others may, of course, have other flavourings they prefer].
Now, first up, here's a brief analysis on "Gorgon" and "Medusa" in Ancient Greek, that I prepared earlier.
So while there's definite potential to take a Gorgon approach down the 'petrifying gaze' [perhaps not quite so much the 'lethally bad breath'] approach, and even some (Dark) Eldar technology with which one could rather directly do it ... I think that that "protective" approach is an interesting, and underexplored angle for the mythological conceptry in question. I also think that the "roar" and "terrifying" angle has other saliency to it than that immediately entailed in the Howling Banshee concept ... but more on that, perhaps, some other time. [maybe 'Roaring of the Storm Wind'; or perhaps something like the Dune film's weaponized speech ... which, now that I think about it .. that 'Word of Pain' fantasy bit from earlier]
The 'shield' concept is an interesting and useful one - and goes well with the Ancient Greek 'Gorgoneion' motif ; as well as some of the stuff we've seen from the plastic Van Saar energy-shields, and the Tau Tidewall and for that matter, shield-drones. Oh, and, now that I think about it, the Imperium's atomantic pavaise technology and/or that one Deathwatch relic that can be planted on the ground and project shielding.
It makes additional sense because one of the overweaning considerations of the Eldar is their lack of numbers - they can hardly spare casualties (hence the wraith-construct employment) , so things that increase survivability of their combatants are logical areas for development [for a real-world comparative example, there's Israeli MBT development: mounting the engine of a merkava toward the front to absorb incoming fire instead of the crew compartment, improved exit hatches to facilitate bailing out, and the much more recent development of active-protection measures]. They're not that keen on heavy plating (with some exceptions), or conventional field fortifications and static defences ... so the ability of energy-shields to provide protection for others, and potentially replicate small-scale entrenchments without the staticness or the prep-time are an obvious plus.
[another way this could be approached, would be mobile holo-field disruption providers - basically laying down template-areas of visual distortion like a high-tech equivalent to smoke bombardments (with the added bonus of it not being as obvious that there IS such a distortion), and/or shrouding units perhaps n the manner that Arbiters exerted a mass cloaking field for Protoss units in Starcraft]
Now, in terms of Darvell's original thought, the idea of Eldar close-combat warriors with large shields and weapons, I see that as something different. It might be something like a Roman formation - large energy-shields (possible coz lack of weight other than the generator/emitter), which may be interlocking and overhead as an advance is engaged in, followed by a sword oriented stabbing and slicing employment up close. Or operating kinda like how Lord of the Rings handled its Elves - shields and half-spears, or shields with those quasi-katana things. The Roman approach is quite an aggressive application, potentially; the Elvish one, I have that rolling wave of blades from the Last Alliance in my head, but is also multi-role. [there may be an analogy in the form of Necron Lychguard ... except faster and more fluid; I kinda like the idea, now that I think of it, of 'echoes' and 'resonancies' with some Necron units in the Eldar's martial array - after all, they've already got a scythe-armed Harvester of Souls :P ] [the 'bouncing shots back' thing might also be relevant]
Another possibility would be shields with short-spears, long-spears, shining spears, or some sort of combination of weaponry to simulate the deep thicket of a hoplite phalanx [think not so much long pikes, as shorter-reach pointy weapons and short-mid range weapons in combination]. It would make a kind of sense , as it's a way to receive charges while holding a position - something that's not historically an Eldar strength. There's them Skitarii units FW does that work in such a manner, too, iirc;
Certainly, in either case, the slightly Greek looking aesthetic of various Eldar helms would lend itself rather well to a Classical influenced shield-bearing Aspect.
However, where I was kinda intending to go with this was also somewhere a bit different ... specifically the aegis of Pallas Athena. [on a sidenote, it's been a subject of smile that the deity often thought of as emblematic of 'civilization' in the modern Western imagination ... is also wearing the flayed skin of a fallen foe as a cloak :D ]
Now, etymology and mythology time:
So, whether somebody wants to interpolate an attribute to Khaine of some sort of impervious cloak that's perhaps forged , or flensed from a fallen foe ... or, come to think of it, whether one wants to take a slightly more directly canonical element, and take the 'living metal' of the C'Tan with which Khaine is semi-infused and run *that* as the 'protective element' [it is certainly from a fallen foe] [and is also partially why I referenced the D&D Gorgon art earlier - that metallic exterior [just like that, we've come full circle :P ]] ... well, I think there's probably some potential there, particularly if it's perhaps an 'adaptive armour' that instinctively 'reacts' to incoming force, either of certain varieties (therefore negating or mitigating some weapon characteristics in whole or in part) or just in general (maybe 'just' invulnerable saves to go along with the regular armour-save) ; may or may not , have some interesting interplay with psychic and more especially chaotic phenomena - after all, chaos doesn't handle necron-style substance well (it's one reason why Khaine survives the conflict against the Chaos Gods, I think, hence Khaine Himself turning up in metallic bodies after]
What I'm getting from this, I think, is the possibility for three or four general directions for a 'protective' Aspect:
i) the Roman/Elven shields and short-reach melee weapons approach - advancing across the battlefield, or acting defensively, but with reasonable flexibility.
ii) the Greek shields-and-long-reach (melee weapons) approach, with a less flexible approach that's strong on defence and shorter maneuvers, but may have some issues with speed and being bypassed or outflanked if exposed, and will presumably advance either in transport followed by deploying [shields being energy means they don't take up space inside a transport because they don't 'exist' until activated by the bearers], or on foot somewhat methodically across the battlefield, absorbing fire and acting as a DISTRACTION CARNIFEX, or i suppose, with shields de-activated (or, perhaps, on a 'smaller' setting?) in a skirmisher non-formation and moving more swiftly.
iii) the 'Palisade' / 'Pavaise' approach, wherein Aspect warriors with much larger shields capable of providing protection not only for the bearer, but also Eldar units behind them ; perhaps even mounted and deployed by larger emitters mounted on anti-grav carriers like theose used by weapons platforms [you could perhaps upscale this by having the Aspect Warrior piloting a war walker or hornet sized semi-anthropomorphic warsuit with attendant .. large shield, and an offensive weapon capacity to match, like a lance weapon perhaps akin to that borne by Shining Spears .. and, of course, big fists and such; after all, as noted, Crimson Hunters appear to be a vehicle-borne Aspect]
iv) a heavily armoured and 'implacable' advancing 'destroyer' aspect - that instead of the sneak up in near-power armour of the Striking Scorpions, or stand back and shoot in near-power armour of the Dark Reapers, or blink in and out of material reality in near-power armour of the Warp Spiders, would be embracing the DISTRACTION CARNIFEX approach in a manner akin to how Terminators work for Imperial forces - be prominent, scary, draw fire, and interpose both physically and figuratively to take the blows that the rest of the army cannot as they head forward with all the divertability of an oncoming storm. [they'd probably be quite a rare bunch, given that that sort of head-on and straight-up engagement style is ... not that well suited to the Eldar psyche; not a glass cannon but an adamantine one] [visual aesthetics, if going down the potentially c'tan/necron resonant bit from the Khaine mythology, would be probably somewhat similar to Maugan Ra, and/or some Ossiarch parts - and them shields are an interesting thought on another note for a non-energy kind] [could also equip them close-combat wise with axes, for .... reasons partially relating to the "executioner" thought many posts above, and partially for other Indo-European mythology resonant reasons]
Anyway, that's probably enough for now; I should go eat.
There's a few more thoughts I have on other potential Aspect styles that've come up in relation to thinking about the above [including spear-fighters; and making use of Brother Tyler's sparks around Bull, non-guardian-equivalent vehicular equipment, etc. ] .. but i'll pick those up another time perhaps