Black Clover Episode 66: The Eye of the Midnight Sun`s Secret
Episode 66 of 170 of Black Clover, aired January 15, 2019, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Asta and the others safely return to the Black Bulls' base after defeating the Eye of the Midnight Sun and the Diamond Kingdom in the Witches' Forest. Now that Asta's arms have healed, the Black Bulls as well as Yuno, Klaus, and Mimosa are relieved. However, there's no telling when the Eye of the Midnight Sun or the Diamond Kingdom will try to attack the Clover Kingdom again. Klaus then brings up a proposal to Yuno and Mimosa.