A/N: First chapter! I do not own Percy Jackson but do own my OC's Mary and Bernard.

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And I thought she was scary before

It was a normal day at school... Well, as normal as school can get for me. Sitting there in band, having the feeling that something was about to go very wrong. Casting my eyes over to the left a bit, I noticed something shimmering above his head. (A/N: I'll explain who he is later). Finally, I braved my fear and turned my head completely.

The symbol of the Greek God Hermes flashed above his head. I blinked thinking I was imagining it. When I opened my eyes, the same symbol flashed. I knew I wasn't dreaming. No one else seemed to have seen it. I concluded that it must have been a trick of the light. Until, I noticed a shimmering blue and red light above my head.

Looking up, I saw the symbols for the Greek Gods, Nike Goddess of Victory, and Ares, God of War. Now I really thought I was crazy. My band teacher suddenly grew wings and claws. I knew I should have stayed home today; this was getting more insane by the second!

I thought she was just going to stand there and do nothing until she started screaming, "NIKE BROKE HER SACRED OATH! AND NOW YOU, YOUNG GODDESS MUST PAY THE PRICE!" She must have been really p'oed because I hardly had enough time to dive out of the way before she hurled a smoldering fireball at my head. I guess I should feel lucky that she had really bad aim, but that fireball almost hit him. After a few more fireballs and burnt chairs, she seemed to realize that I could not be hit and decided to turn on my former crush. I must still have had feelings for him, as I was about to push him out of the way and take the hit myself, but stopped when I heard two voices inside my head.

"Mary, use your headband. It's a shield and do not fear you are the child of victory," one of the voices said.

"TRUST YOUR INSTINCTS MARY! YOU ARE THE CHILD OF WAR!" The other voice screamed sounding very powerful.

I decided to trust the voices, I mean, what else could I do?

As my band teacher spewed another fireball, I held my headband out hoping something would happen. The headband expanded into a celestial bronze shield! Then my instincts kicked in, and I knew exactly how to use the shield. Since he was still in shock, the shield had expanded to protect both of us. After the last fireball smoked out, he started running for his life, somehow dodging every attack. Just then the door burst open and a sword went though my band teachers stomach. She burst into green ash, and oozed all over the floor.

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A/N: Next chapter will be up soon and I will be explaining whom "He" is in the upcoming chapters but if you would like to know early just message me! I had to separate the paragraphs to make it easier to read.