The title you're referring to, "", is actually the 13th episode of the Soul Eater anime.
Because the Soul Eater series also has a , and Volume 13 of that manga is a completely different part of the story, I want to make sure I give you the right review. 13 : The Man with the Magic Eye: Soul and Maka'...
: This focuses on Maka and Soul struggling to sync their souls while fighting the immortal werewolf, Free . The title you're referring to, "", is actually
Once you let me know which one you're interested in, I can give you a proper breakdown of why fans love it (or don't!). The title you're referring to
: This is much later in the story and features the Baba Yaga Castle battle, with Black☆Star fighting Mifune and Ox trying to save Kim .