Soul Eater Episode 13

Synopsis
Set in the Shinigami technical school for weapon meisters, the series revolves around 3 groups of each a weapon meister and a human weapon. Trying to make the latter a "Death Scythe" and thus fit for use by the Shinigami, they must collect the souls of 99 evil humans and 1 witch.
Soul Eater is an anime that centers around meisters and their weapons and their mission to collect 99 evil souls and 1 witch soul. Upon doing that the meister's weapons will become a Deathscythe, which is the highest title for a weapon. Maka, Soul Eater, Black Star, Tsubaki, Death the Kid, and Patty and Liz Thompson are the characters Soul Eater revolves around. Besides taking the time to gather souls these students of Shibusen defend Death City from some of the most powerful of creatures while still attending school and trying to become stronger.

Episode 13 - "Man with Demon Eyes: Soul and Maka, the Gap of the Soul's Wavelength?"

Eruka has escaped with Free, whom Medusa orders to kill Soul and Maka. Meanwhile, the latter pair is undergoing serious training, but it's dangerous; it can hinder their soul waves from resonating ever again. Maka, Soul, Black Star, and Tsubaki travel to London only to run into Free, who further reveals himself as a werewolf and to be capable of using ice-based magic. After a desperate effort from Maka and Soul to work together, they are able to throw him into the river. The four begin to leave while Maka coughs up some blood into her hand, only to discover that the blood is black.