An old cursed magical Celtic tiara hidden by Irish father in a lockbox in the family's basement was found by Carey Duffy as a young teenage girl. Without realizing its powers, she placed it on her head amongst her school friends. The dark soul that resided in the tiara, Glinti (as the dark soul was once called over 1000 years ago), took control of the weak Carey's mind, killing her school friends outright so as to absorb their essences. Carey's mother tried to help stop Carey/Glinti and died in the process.  Carey/Glinti escaped and hid amidst the ruins of an ancient castle the Glinti had once resided in a millennia ago. During that time Glinti got Carey to divulge when they were and give up the secrets of the era and a simple overview of Irish and world history since Glinti's defeat a millennia ago.

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Over the next few days, Carey's father, Fergus, an angry Conglomerate Druidic mage that barely survived the Soltan Star Empire's invasion of Earth in 2000, took a few of his Druidic friends and hunted for Carey/Glinti.

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In an epic battle, Carey/Glinti won, placing Carey's father into a coma and killed Carey's father's friends in the battle. As a result of the battle, a pair of other ancient Irish beings were released from the magical energies that damaged sections of the ruined castle that had been holding the other two beings in stasis; they were Donal the Damned and Clurichaun Tom.  Both of the newly released beings (Donal being a spirit) attempted to combat Carey/Glinti with each losing (ok, Tom just tried to run away using his Clurichan powers to escape, but he was still stopped). As such, Carey/Glinti placed a spell on them to bind their will to hers.  With that the trio left the ruined castle and recent battle site and made their way to a small berg where they invaded a family's home and started living there, making the home owner and his family submit (via Glinti's dark magics) to their will.

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For the next few days, the trio were well fed and got rested up, as well as learned about the new century they were in. Through a spell, Carey/Glinti was able to work a verbal/hearing translation spell so all could understand modern Irish, Gaelic and English languages.  The trio soon decided to walk about the berg and learn more (more to the point learn that this new era was 'soft, weak and worthless') and quickly turned on the town, trying to take over the entire town.  That's when they encountered the Taoiseach.

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The Taoiseach was a man building an army calling itself the Eire Arm, merely a kilometer down the road. Taoiseach tried to reason with Carey/Glinti, nicknaming her a 'Black Shamrock' rather than stating either of their names, and told them to submit to him and the Eire Arm and join his revolution. Of course, the trio attacked Taoiseach only to discover his will and mental powers were greater than 'Black Shamrock's'. Taoiseach took mental control of Donal and Tom and used them to fight Black Shamrock instead. Seconds later, the fight was done, with Taoiseach the victor. Glinti, as Black Shamrock, was furious in being beaten, but thanks to Taoiseach's 'influential' power, he actually influenced Glinti to instead happily join him and the Eire Arm, which the trio all did.

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Since then, Black Shamrock has learned more about her powers than she ever did a millennia ago.  Although she and the others in the Eire Arm are still under Taoiseach's 'influence', she has independent thoughts, control and reactions, however, all to whatever Taoiseach wants her (and the others) to do.

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Today, Black Shamrock continues to fight with the Eire Arm under the 'influence' of Taoiseach.  She is a mean, angry sorceress and can be quite cruel and malevolent.  She is also in charge of Carey Duffy's body still and has yet to relinquish any form of control back to Carey...ever.

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