Complex sentence: Durin's Bane also makes an appearance in' in a flashback mission, where it is shown to be far more powerful than any of the other enemies in the game and players have no choice but to flee from it.
Split into simpler sentences: Durin's Bane also makes an appearance in' in a flashback mission, where it is shown to be far more powerful than any of the other enemies in the game. In this mission, players have no choice but to flee from it.