The Eye of the Midnight Sun's Secret 「白夜の魔眼のひみつ Byakuya no Magan no Himitsu」 is the 66th Page of Yūki Tabata's Black Clover.
Yuno, Mimosa Vermillion, and Klaus Lunettes read over reports of the Eye of the Midnight Sun's activities, including the attack on the Royal Capital, the fight with the Third Eye near Nairn, and the attack on the Seabed Temple.
Magic and Spells used
Prayers 「祈り Inori」: Klaus is dousing himself with water while praying for Asta's arms, and Mimosa is keeping count. Klaus tries to convince Yuno to join him, but Yuno refuses.