In Hunter x Hunter (1998) people use Nen, which is the ability to control one's own life energy or aura for strengthening one's own physical abilities and creating energy attacks among other things.
In Naruto (1997) Chakra is made of physical energy and spiritual energy, increasing one's spiritual energy will allow more chakra to be created which will allow the user to make the same technique with more power.
In Saint Seiya (1986) Cosmo is a mystical energy and the fundamental force which power every supernatural feat performed by the characters. Burning one's Cosmo produces the energy needed to enable a being to perform extraordinary feats including pulverizing rocks with their bare hands. As the user Cosmo grows, it becomes necessary for a being to practice controlling their abilities and powers.
In Dragon Ball (1984) ki ("spirit") is the life force energy used by the characters to increase strenght and power level and perform energy attacks.
And in Star Wars (1977) The Force was an energy field created by all life that connected everything in the universe. The Force was created by life, and therefore, resided in all lifeforms. Harnessing the Force gave the Jedi, the Sith, and others sensitive to the spiritual energy psychic abilities, their physical vitality, strength, mobility, and resilience augmented.
Which was the first story to feature the use of "spiritual energy" to enhance the user physical abilities?