Yes, this is legitimate Temple of Zeus work, and your good results are the expected outcome.
Your practice follows the same template the High Priest lays out in Using the RunesExternal ↗: enter a trance, breathe energy visualized as white-gold into the chosen chakra, vibrate the name of the rune on the exhale and feel it in that chakra, then hold the rune's image in your mind until it shines with power. The Heart Chakra MeditationExternal ↗ page explicitly lists GEBO as the runic vibration for the heart chakra, with the chakra's color given as green. You are following that worked example almost step for step, and the same template covers Ansuz for cleansing, since Using the RunesExternal ↗ applies to any rune you choose to work with.
Placing AstarteExternal ↗'s name in the Third Eye is doctrinally coherent. The Astarte: Advanced InformationExternal ↗ page, written by High Priest Zevios Metathronos, lists Gebo as one of her principal runes, so pairing her name in the Third Eye with Gebo in the Heart is not arbitrary. The 6th Chakra MeditationExternal ↗ gives direct precedent: the Ajna vibration list includes both THOR and INANNA, combining a runic and a divine-name vibration in the same center. Your structure is already documented in Temple pages.
For the Root Chakra, Saturn is the ruling planet per The Base ChakraExternal ↗, and the High Priest has publicly addressed combining rune work with the base chakraExternal ↗ and Saturnian energy in his High Priest Zevios Metathronos on SaturnFull site ↗ post, where he responds to a member using the Isa rune with Saturn's planetary mantra at the base. You are combining both documented methods cleanly. The white-gold visualization you are using for cleansing is the same energy Using the RunesExternal ↗ prescribes as the foundation of rune work, and Opening Blocked ChakrasExternal ↗ explicitly notes that runes can be used alongside white-gold light to cleanse and expand a chakra.
The underlying mechanism is why your results feel real. Focused attention on a symbol inside a chakra opens the channel for that energy, and vibration plus breath is what gives the visualization its bite. Imagining the rune or name brightening in its chakra's color is the "feel it vibrating" step made visual.
The credit for this teaching is the Clergy's. High Priest Zevios Metathronos wrote or revised nearly every page cited above, and the hieratic material on AstarteExternal ↗ is his. You are practicing something the Temple of Zeus has taught for years, and you are doing it well.
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