Apollo remained perfectly still, careful to keep his expression neutral as he observed this revelation. The bow vibrated against his back as if in confirmation, recognizing the divine heritage that flowed in Cale's veins, diluted by generations, perhaps, but undeniably present.
Cale pressed a hand against his chest, confusion evident in his furrowed brow. "Does anyone else feel that?" he asked, voice barely above a whisper. "Like... like it's calling to me?"
Thorin scoffed. "It's just water, boy. Unusual water, granted, but nothing magical about it."
But Apollo saw the truth in the way Cale's fingers trembled, in the unconscious lean of his body toward the spring. The water recognized its kin, responding to the distant echo of Poseidon's power that lived in the young man's blood.
"It does seem rather taken with you," Lyra observed, her sharp eyes missing nothing. "The glow is stronger when you're near it."