Celtic Tri-Pent

I'm hoping this is the correct category for this..

This pentagram is my creation >.> I call it... My Celtic Tri-Pent!! As it says in the title XD

It's done in a celtic knot fashion, and it's a tri-pent because it has three pentacles. This thing has a little history in one of my character's world... Adrian Veyl, whose design sheet you can find here --> [link] There's only two of these existing. One carved into the stone architecture of a famous church, and one on Adrian's body. This is the one on Adrian's body. The one on the church is the original one, but it's slightly different. The one on the church has all three pentacles upright. This one is how Adrian adjusted it to better suit her needs.
For those who'd like to know a little more about this thing, keep on reading. If you're satisfied with this description, go ahead and comment.

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The Celtic Tri-Pent was carved into the stone of a large sanctuary, above it's great doors of safety. This sanctuary is the last remaining in the world, a last remaining symbol of hope, and a building that signifies peace and the harmony of all religions together. This was a place of history, a place that accepted anyone and everyone who required security, a home, or a simple pass-by. Food, rest, and company for all religions, all countries, and all men. It withstood the greatest war in history, and though there is no one to keep it, it is still standing in near perfect condition. And those of evil or destructive intent upon this landmark are unable to enter. How can this be possible? The answer to this mystery is the pentagram. Ancient logs once recorded, ages ago, that a mysterious but kind man gifted the sanctuary with this magical protection, engraving beneath it the words:

"If there shall ever be danger
May the power of this star
Keep us from destruction
May we be shielded from all enemies
And keep our faith in all the gods we trust"

The origin of this barrier is unknown. Any information on this man is also unknown. Nor does anyone know how to activate this barrier. Many have attempted to draw it and speaks the words engraved, but none have been able to make it work. Furthermore, no one understands how this barrier can stay active for over several centuries, with no one to keep it in check. They only know that the triple set of pentacles allows atleast three layers of protection, from physical and magical attacks, and the celtic triangles allow extra strength. There are more elements to the pentagram on the church, but these are the most basic, and the easiest to understand.

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Adrian's version of the pentagram has one upside down pentacle. This reduces the strength of the barrier, but it allows her to counter magical attacks. Things like fireballs and such are deflected, bounced off the barrier and returned to the caster with double the force. Adrian also requires no enchantment to use this, which is the reason why she is the only one in the whole world able to use it.