Complex sentence: In the bloody Sengoku Period, or Warring States period, of feudal Japan, many generals fought in an endless struggle for power and unification of Japan, but one man proved to be too big of a threat, him being the dark lord Nobunaga Oda.
Split into simpler sentences: In the bloody Sengoku Period (Warring States period) of feudal Japan, many generals fought in an endless struggle for national power and unification. One man proved to be too big of a threat: the dark lord Nobunaga Oda.