Complex sentence: When a "mikura" dies, the city suffers a heavy loss of function associated with the element it represents; the water level of Tokyo fell after the death of Suiko the kappa (water based "mikura").
Split into simpler sentences: When a "mikura" dies, the city suffers a heavy loss of function associated with the element it represents. The water level of Tokyo fell after the death of Suiko the kappa (water based "mikura").