Complex sentence: It is sometimes used in love spells of a coercive nature, the severity of which range from the goofer dust being used to provoke helpful spirits to coax the target into love, to the more extreme "love me or die" spells.
Split into simpler sentences: It is sometimes used in love spells, but these are spells of a coercive nature. The severity ranges from the goofer dust being used to provoke helpful spirits to coax the target into love, to the more extreme "love me or die" spells.