Is the energy healer [name withheld] corrupted and how effective are the techniques he uses under his banner? Is he partnering with the divine realm in his work or using his own healing energy?

He is largely on his own. This is how his work is set up. You will not find mention of God in his promotional material, and that is because he believes in his own power and his own reach, both. There are benefits from what he does because energy is energy and can be manipulated by human consciousness. He is adept as an energetic healer, but using largely human-directed energy. When the recipient is aligned with the divine, the divine will partner with the human and send divine energy through him to his client. This is the reason he enjoys the level of success that he has achieved. It is not truly through his doing but rather the default of a spiritual person who is connected receiving divine grace whenever this can be allowed under the rules of engagement.