The Fabled Deity Sword, at this level it's four times as strong as the first level and deals more damage to foes obliterating weak ones instantly. it's acquired the ability to launch sword beams from the tip when health is full and energy discs when charged up even an omega spin attack that is uncontrollable. This sword is Wielded by Fierce Deity Link in another world apart from Hyrule.

This is the thought to be fully completed form of the LV4 Deity Sword, it seems it cannot harm the reincarnation of the ultimate evil.