Complex sentence: By "Yakuza 4", Kiryu was seen as "indestructible" by the staff, and as a result, he was made the last character playable in the game, following three new characters that stood out thanks to their different traits.
Split into simpler sentences: By "Yakuza 4", Kiryu was seen as "indestructible" by the staff. As a result, he was made the last character playable in the game, following three new characters that stood out thanks to their different traits.