AnubisXy:I think a Martial Art charm with the Fury keyword or Gift Keyword would need to be a custom Lunar Hero Style charm, so only Lunars could learn it (or an Eclipse). AnubisXy
September:Hmmm... Violet Bier of Sorrows has Prayer Strip so I assume that the core Lunar Hero Charms could have a Lunar keyword. The question if it's possible outside Hero Styles.
AnubisXy:I think a Martial Art charm with the Fury keyword or Gift Keyword would need to be a custom Lunar Hero Style charm, so only Lunars could learn it (or an Eclipse).
Aquillion:For my rationale I cite Borgstrom: Both the Immaculate MAs and the Sidereal sutras are examples of MA designed specifically to benefit one specific type of Exalt. They are not metaphysical aspects of that level of MA -- not even Sidereal Sutras. She specifically says that originally, in 1e,at least, Sidereals could make a SMA style with no Sutra if they wanted to, or one that benefits Solars or Lunars instead of Sidereals (they don't, because that would be stupid of them.) I don't know if that's still true (things have changed since then), but the basic idea of crafting an MA style to take advantage of the abilities of a specific Exalt type still seems sound. We know it's true, because the Sidereals have actually done it in the past.