Thalia, Nico and Percy ran around the trees playing tag with eachother, acting as though they had a normal life.  Acting like they were not demigods but just normal cousins messing around on any normal Saturday and they could.  No monsters had been bothering camp lately.  After the war and Leo and Calgpso's return camp became almost ordinary.  Well at least ordinary for a camp of demigods that train everyday and have powers.  So back on topic the three all came to a stop as Percy tripped over a tree root and the others tripped over Percy.  They all burst out laughing.  Slowly there laughter died down and they started talking about old quests.  Until all of a sudden Thalia noticed a scar on Percy's wrist that she never noticed before.  She pointed at the scar and asked "Since when has that been there?"  Percy's response was immediate.  He pulled his sleeve down to cover it and said "Oh it's just a normal scratch."  Thalia shook her head and Nico reached for the sleeve.  Percy leaped away from them and said sternly, his joking personality gone, " It's nothing important.  Just.... let it be."  Then Percy marched off toward his cabin.  The two cousins looked at eachother worried about Percy.  They never saw him be like that.  He always tried to be nice to them after everything they went through together.   Not only that but over the past few days they grew close and shared almost all of their secrets with one another.   So what had gotten into him?  The two looked sadly after him.  Thalia looked to Nico and asked "Do you have any idea why he did that?"  All of a sudden a new voice spoke "Neither of you know ...but I might know a way for you to find out." The two turned and found..