I must admit I'm lost here, I think I sort of get the idea but the name is confusing me. Whats it in reference to? That may make it easier to explain.
It's a reference to the (in)famous Drill and Spiral memes from Gurren Lagann. As well as a number of songs and videos that reference spinning, the ancient og Wonder Woman live action TV series where she dons her costume by spinning, and the old martial arts concepts of "circle defeats line, line defeats circle". And the whole "spiral make arrow/bolt/bullet hit harder/more accurately".
Basically, all the references where spinning very fast makes cool and or awesome and or ridiculous things happen.
Hang on a bit while I go back through the runes and come up with some
bullshit thematic soundbites now that I've had time to think and am not split between that and an omake that won't leave me alone:
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Weapon / Master Weapon; surrounds the rune with a slow-flowing current of magic, similar in behavior to air. When swung, the current speeds up and aids the strike. More runes increases the power - three runes produces a grinding screech as a miniature mana whirlwind adds great speed to the blow and bites into the target. / The effects of three runes are combined and amplified, as is typical of master runes. The mana warp-twist effect seems particularly injurious to creatures and constructs of the Aether.
Armor / Master Armor: same as the weapon, but the spin speeds up in reaction to incoming blows instead. / The spinning effect strengthens to the point where nearby enemies are constantly hindered and incoming blows are torn to shreds.
Banner / Master Banner: diffuses the effect, trading the raw power of the magic-spinning effect for a greater area to aid groups of allies. / This master rune starts directly interfering with luck and fate on a large scale, to the benefit of the Dawi and the detriment of their enemies.
Engineering / Master Engineering: same effect as weapon, but it applies to the ammunition. It is unknown why three runes seems to suddenly change the effect from raw damage enhancement to having an effect on luck - presumably the greater mass of the item and size of the rune has something to do with it. / Not only does the shot spin furiously, the spinning actively directs it to where it can deal the most damage. Bolts and boulders have been observed actively changing direction mid-flight in order to cause the greatest quantity of carnage.
Talismanic / Master Talismanic: This is weird shit. Nothing right now.
Structural: No idea. The spinning thing seems both more diffuse than the banner while being more potent, but shit got weird enough that Yorri stopped exploring it after two runes.
