[To tell the truth, Cu Chulainn was a little scared to speak to his brother again after their last exchange of letters. However, his desire to check if his brother was safe overwhelmed his fear. Besides, he has a failsafe this time.]

[He quickly knocks on the door and then ties a blindfold he made in the sewing room over his eyes. If he couldn't see that spot, then he couldn't get affected this time.]