Honestly, Reflect Thy Boon was an ability I suggested, because it doesn't give Angels the ability to counter Machina, it just gives Angels the ability to make Machina vulnerable to demons again. It reinstates the Machina -> Angels -> Demons -> Machina, rather than the current Angels -> Demons <- Machina -> Angels. But it doesn't help the angel at all in a direct fight with Machina.

But, I can see why you don't like it. There are better ways to try and correct how Machina currently trump Demons.

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"When Tsukuyomi draws back an arrow, a mirror arrow is created near each ally that stands (or as is more often the case flies) with her, allowing her to turn everyone in her company into an archer. When performing an arrow barrage like this, while including anyone who is not her sister, Tsukuyomi cannot enchant any of these arrows. If the only partners involved are her sisters, she can still enchant them. When one of her sisters perishes, Tsukuyomi is made aware of what killed them, and can fire arrows through her link with her sisters and the nature of death, from the tip of her bow to the space within a meter or so of her sister for one vengeance barrage. This bow is summoned by her heart whenever Tsukuyomi makes to draw back an arrow with it."

When Tsukuyomi fires an arrow, she can fire another arrow from each of her sisters. She can also choose to fire another arrow from each ally period, but loses the ability to enchant the arrows (so, presumably, she gets a storm of ordinary arrows that can mess up unarmored targets but plink pointlessly off armored ones.) If a sister dies, she can fire one barrage of arrows from near her sister's body towards the murderer. Tsukuyomi doesn't carry the bow around all the time, but it shows up whenever she wants it, keyblade style, as she's summoning the half of her heart she sealed away before reincarnating.

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[@KoL][@TheWindel]