You wouldn't use the word "on". "Let salvation befall me," is the correct thing to say.
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stephenmatlock you could say "let salvation befall me," but "befall" has the implication of "fell" or "bad," so it's better to use a different word.The different word right here's supposed to be "fall on" me?
stephenmatlockBecause your topic and word use is somewhat archaic, "let salvation fall on me" will work. It's not wrong; it's just a style of speaking that's old-fashioned. More modern AmE would be "Let me be saved."I see.