Complex sentence: As usual, none of the individual endings from the previous game are considered canonical events, and most of the characters' motivations from that game remain unresolved, however a few characters did experience important events associated with universal "Soulcalibur III" events.
Split into simpler sentences: As usual, none of the individual endings from the previous game are considered canonical events, and most of the characters' motivations from that game remain unresolved. However, a small number of characters did experience important events associated with universal "Soulcalibur III" events.