How one invokates is by calling - this is usuually approached by the masses as silent prayer but can be outspoken. Invokations are also channeled messages and these are respected through Thoths Book of the Dead and Papa Legba, utmost god, seer, overseer, overlord, masterlord, usurpation is work. Possesssion is channelling. Possession is to have and hold in embrace. I learnt that within Thoths Book of the Dead that possession is endited by ghost alone. Ghost is Ka. One may levitate through the use of ghost and poltergeist. polterghost specifically. One may not always