Complex sentence: Soon after this, Daphne craftily offers the two men a local type of moonshine beer, but one of the mutineers refuses to spit into the beer, which neutralises the natural poisons in the beer, so his first drink kills him.
Split into simpler sentences: Soon after this Daphne offers the two men a local type of moonshine beer. However, one of the mutineers refuses to spit into the beer, which neutralises the natural poisons in the beer, and so his first drink kills him.