Soul Eater Episode 42

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 42 - "Charge! Baba Yaga's Castle: Why is Everything Suddenly so Unclear?"

Maka is confused due to the decisions recently taken by Shibusen, which is preparing for a huge battle against Arachnophobia, to defeat it along with the kishin and destroying the six madness amplifiers. Marie and Crona are the only ones who can deal with Medusa without breaking the deal with Shinigami. Maka, along with Soul, Black Star, and Tsubaki, go to Baba Yaga's castle when Arachne gives the order of attack. Justin starts a fight against Giriko. Maka finally decides to abandon the battlefield to go to help Crona, leaving the fighting to Black Star. Meanwhile, Kid is on the way to retrieve the latest demonic tool.