Slicing long cuts on their forearms, he began to chant an old spell, in what sounded like a Germanic language. Little shiny particles floated in the air between them, right above their forearms forming an invisible thread as if they were committing themselves to a form of an Unbreakable Vow. Hermione stared in fascination and watched the magical thread disappear within the long cuts along their forearms. Draco placed his wand on the bed and raised her arm, pressing his lips to her cut, and he raised his arm to press it to her lips. 