Complex sentence: In comparing with Eastern systems, Malkuth is a very similar archetypal idea to that of the Muladhara chakra, in Shakta tantra, which is also associated with the Earth, the plane in which karma is expressed.
Split into simpler sentences: In comparing with Eastern systems, Malkuth is a very similar archetypal idea to that of the Muladhara chakra. In Shakta tantra, which is also associated with the Earth, the plane in which karma is expressed.