Spirit energy: This is energy stored in a spirit chamber which could either be Yin and Yan energy used to do Yin and Yan arts
Nature energy: This is energy gotten from nature which could be used for both Yin and Yan arts, both is mostly used for Yan art. When exposed to nature, it is infinite
Dark energy: This is energy gotten from anger and hate, of cultivator which can be used for only Blood arts.
Absorbed energy: This is the use of Forbidden art to absorb the energy of an opponent and use its given art.