Blue Exorcist Vol. 3 — Manga Raw / Buy Official

For the summoning exam, Rin tries to call a familiar the hard, hands-on way rather than relying on Satan's flames. During field practice a whale-like demon (Naberius) rampages at a zoo, and Rin once again risks his body to protect the others while keeping his blue fire sealed. The incident slowly softens Suguro toward Rin's straightforward honesty; the ice with the Kyoto group doesn't fully melt, but it starts to crack. Yukio wavers between his role as an upper exorcist and his tangled feelings for his brother, and the finale hints at the Knights of the True Cross' inner workings and an ominous shadow tied to the "Impure King," laying groundwork for the Kyoto arc.