One for sorrow, she thought, remembering the old rhyme Muggle children sang to count magpies. She wondered if there existed an equivalent in the wizarding world for counting Thestrals but dismissed the thought at once. Children shouldn’t be able to see Thestrals. Except, of course, for all the children present at the Battle of Hogwarts more than fourteen years ago. There were a great many who could see Thestrals after that fateful day in May. Too many.