Infinity symbol in bookbinding to indicate that a book is printed on acid-free paper and will therefore be long-lasting. In modern mysticism, the infinity symbol has become identified with a variation of the ouroboros, an ancient image of a snake eating its own tail that has also come to symbolize the infinite, and the ouroboros is sometimes drawn in figure-eight form to reflect this identification, rather than in its more traditional circular form. In the works of Vladimir Nabokov, including "The Gift" and "Pale Fire", the figure-eight shape is used symbolically to refer to the Möbius strip and the infinite, for instance
Infinity Blade II is indicated by an exponential number above the rebirth value of each rebirth. The number increases as the player delves into deeper NewGame+ mode. After the player beats the God King in the NewGame+, the player loses everything and starts everything all over again in a deeper NewGame+. As in the first Infinity Blade, chests are hidden in certain areas of the game. However, in this game, there are different levels of chests that require different sized keys, ranging from small to medium and large. Chest types are indicated by a colored triangle symbol above the chest, the color of