 He used religious tones to accompany appearances of the sword itself, specifically when it is first found by Worf, and said, "If the audience isn't made to understand the spiritual importance of that weapon, then we have no episode".Dan Curry created the Klingon weapon, the bat'leth, while working on "TNG".Its first appearance was in the episode "" and has appeared in all live action series of "Star Trek" with the exception of "The Original Series".