Ne'er till land consumes sun (Astral Era 'setting') can sea bear moons (Umbral Era 'rising' + Dalamud reference)
Heavens spew crimson flame (Bahamut) hells seep black dooms (Atomos)
Stray seeds quicken in ash's gray embrace (Eorzea's quick call to action, Eorzean alliance, adventurers etc)
Valiant blades forged under the Twelve's good grace (I always thought this about 'us'/adventurers but mayhaps it references the pointy stick things we get from summoning the Twelve)
Seven moons waning (Seventh Umbral Era ends) see seven moons rise, (Seventh Astral Era begins)
Divine order roils, (There's an imbalance among Primals/the Twelve now) fallen corpses writhe. (Much blood has been shed over this shit from Dalamud to now)
Souls from aether far, (old players) strangers from strange lands (new players)
Yester with thine eyes, (the Echo) morrow by thy hand (ARR)