He made the card of light disappear and then reappear.
"They come in different tiers of rarity, of course. From the Common 'Echo', to the Uncommon 'Resonant', to the Rare 'Harmonic', to the Legendary 'Transcendent', to the Mythic, one-of-a-kind 'Primordial' Arcana that represent the absolute pinnacle of an Authority."
"Some Astral Arcana Glyphs, when activated, can collapse Young Early Creatures, or if the Astral Arcana Glyph in your Grimoire is rare and powerful enough…you could even collapse an Elder Early Creature if you can activate the Card. It is a system for kings and gamblers, not for soldiers. A single, well-timed play can change the course of a battle."
He let the information settle, allowing Noah to process the sheer, elegant brutality of such a system.
"I will grant you a Blank Living Astral Codex, a Grimoire." Vulcan said, his voice a low, final offer.
