Back before French and German support was added, spell data was in its own special .DAT format that included a byte for the spell element. Meteor and Comet had the value 0F for this. Dark was 07 (the other elements were 00-06). But, it's always possible that bit 3 was used for some other flag, which would make the actual value 07 (dark). I'm also not completely convinced that Eagle Eye Shot isn't sometimes done as a TP move, because orc RNGs in Dynamis-San d'Oria 'ready' Eagle Eye Shot as well. What the significance of that might be, though, I don't know.
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