An NPC and Enemy Boss from Honkai: Star Rail. They were one of the Titans in Amphoreus with their coreflame representing the Sky.
When Aquila's eyes that gaze upon the land open, the world welcomes light, and as Aquila's eyes close, the world plunges into darkness.
Starting in August 2025, some illustration themes depict Hyacine's eyes as Aquila's ringed eyes, which are called エーグル目 in Japanese circles. This is in reference to a scene in the 3.4 story where the Hyacine that faces Khaslana is implied to have been corrupted by her own powers.
