Immovable and impenetrable in this Vyuha, formed according to the rules of the Shastras, by that chastiser of foes, Bhishma of unfading glory.
अक्षोभ्योऽयमभेद्यश्च भीष्मेणामित्रकर्षिणा। कल्पितः शास्त्रदृष्टेन विधिना भूरिवर्चसा॥