While the different Huna lineages and schools of thought may differ on some of the finer details, and feature some of their very own techniques, there are a number of techniques that may be regarded as nearly universal:
Ho’oponopono – “Two Way” forgiveness process (“to make right two times/both ways”) that could be performed either externally [...]

Most important among Huna’s principles is its understanding of the human mind and human consciousness:
It assumes a three-part partition of the mind/self into a Conscious Mind, an Unconscious Mind, and – crucially – a Higher Self.
Alongside these 3 selves, the ancient Hawai’ians were specifically concerned with the flows of unseen (electrical, etc.) energies (“mana”) in [...]

Besides the outer order of the Hawai’ian Royalty (Ali’i), there had existed an inner order since at least 1200 C.E. (and likely even earlier than that), that of the "Kahuna". And while the outer order was known for its manifestations such as the Kapu ("forbidden / taboo") System, politically motivated warfare between the Hawai’ian Islands, [...]