Complex sentence: The Spathi were ecstatic at the prospect of a life of safety beneath a permanent shield, however, due to an Umgah trick, they accidentally became battle thralls and were forced to fight against the Alliance of Free Stars.
Split into simpler sentences: The Spathi were ecstatic at the prospect of a life of safety beneath a permanent shield. However, due to an Umgah trick, they accidentally became battle thralls and were forced to fight against the Alliance of Free Stars.