"Just one," Ruben said, leaning back in his chair. He was done with the food, and in talking with Doyle he hadn't even noticed how substandard it was.
"The declensions," he said, staring upward, nearly daydreaming, "are an invocation of every aspect of a constellation at once. Like...Scorpio is a water sign, and thus you can invoke water from it, but it has other traits as well. The theory is that all traits can be invoked simultaneously. it would be a powerful formula, if I can find it."