Complex sentence: Orphaned, Haku wandered the Land of Water as a beggar child until he was found by Zabuza Momochi, who agreed to take him in, warning Haku not to expect any companionship.
Split into simpler sentences: Orphaned, Haku wandered the Land of Water as a beggar child. Zabuza took him in, warning Haku not to expect any companionship.