"The weapon that only creatures with no pity, heart or care for themselves or any other lifeform could ever activate." -- The Doctor The Twilight Annihilator is a weapon that was created during the Dark Times of the Universe, made to complete destroy galaxies using technology that could create both a supermassive black hole and a 'supermassive white hole', which consumes the target and cancels out the black hole to avoid unneeded destruction.