Complex sentence: In the past Bisu was not particularly favored against any good Zerg player: he once revealed, that only after learning the skill of combining different units he began to enjoy playing against Zerg.
Split into simpler sentences: In the past, however, Bisu was not particularly favored against any good Zerg player. He once revealed, that only after learning the skill of combining different units he began to enjoy playing against Zerg.