Complex sentence: The giant Wulfhere is a bellicose and formidable fighter, quite deserving of his nickname, impetuous, easily roused and on bad terms with most of the other Viking leaders-though not overtly cruel and capable at times of surprising compassion.
Split into simpler sentences: The giant Wulfhere is a bellicose and formidable fighter, quite deserving of his nickname. He is impetuous, easily roused and on bad terms with most of the other Viking leaders-though not overtly cruel and capable at times of surprising compassion.