It would seem possible that the Universe could go on perpetually if there were some way to re-create it. In early myths she is known to devour the demons who would upset the balance of space-time. Kali is the Goddess of time, Kala. In time all things die and are re-born. In time all ignorance is replaced by divine Gnosis, if we accomplish nothing else in life we cannot help but learn.
Experience is the great teacher.
Kali offers the bliss of Gnosis with one hand which holds the Sangrail, freedom from fear with another raised, with a third she holds the sword that destroys Universe, and with a forth she holds a head to remind us that all situations will change, death is the constant force of new life. She is naked because she has no veils of illusion, and to remind us that the secret of re-creation is in sexual bliss. She is black because she is beyond human comprehension, this also ties in with the freudian devouring mother, who is in the realm of shadow, we all will be swallowed by Kali in the little death and the greater ones. She dances on the corpse of Siva, who has over extended himself in the attempt for divine Order. However, her dance has aroused him even in death and she stands over his erect penis to accept the seed of new creation.