It rapidly saps Samus's energy, and if her energy is so low that Shinesparking would kill her, she simply won't be able to do it. (Which is why there's an energy restoration room in that pit with the Dachora.) This aspect was removed in later games when the Shinespark became a more prominent, standard move that was easy to execute, as opposed to an obscure technique for advanced players.
What song reappears in almost every game in the series, yet is almost always in a severely truncated form that does zero justice to the original score?
