"And don't leave your post!" Thalia said.

"Unless you see a golden opportunity," I added.

Thalia scowled. "Just don't leave your post."

"Right, unless—"

"Percy!" She touched my arm and shocked me. I mean, everybody can give static shocks in the winter, but when Thalia does, it hurts. I guess it's because her dad is the god of lightning. She's been known to fry off people's eyebrows.

"Sorry," Thalia said, though she didn't sound particularly sorry. "Now, is everybody clear?"

Everybody nodded. We broke into our smaller groups. The horn sounded, and the game began.

Silena's group disappeared into the woods on the left. Thalia's group gave it a few seconds, then darted off toward the right.

I waited for something to happen. I climbed Zeus's Fist and had a good view over the forest. I remembered how the Hunters had stormed out of the woods when they fought the manticore, and I was prepared for something like that—one huge charge that could overwhelm us. But nothing happened.

I caught a glimpse of Silena and her two scouts. They ran through a clearing, followed by five of the Hunters, leading them deep into the woods and away from Thalia. The plan seemed to be working. Then I spotted another clump of Hunters heading to the right, bows ready. They must've spotted Thalia.

"What's happening?" Nico demanded, trying to climb up next to me.

My mind was racing. Thalia would never get through, but the Hunters were divided. With that many on either flank, their center had to be wide open. If I moved fast…

I looked at Beckendorf. "Can you guys hold the fort?"

Beckendorf snorted. "Of course."

"I'm going in.

The Stoll brothers and Nico cheered as I raced toward the boundary line.

I was running at top speed and I felt great. I leaped over the creek into enemy territory. I could see their silver flag up ahead, only one guard, who wasn't even looking in my direction. I heard fighting to my left and right, somewhere in the woods. I had it made.

The guard turned at the last minute. It was Bianca di Angelo. Her eyes widened as I slammed into her and she went sprawling in the snow.

"Sorry!" I yelled. I ripped down the silver silk flag from the tree and took off.

I was ten yards away before Bianca managed to yell for help. I thought I was home free.

ZIP. A silvery cord raced across my ankles and fastened to the tree next to me. A trip wire, fired from a bow! Before I could even think about stopping, I went down hard, sprawling in the snow.

"Percy!" Thalia yelled, off to my left. "What are you doing?"

Before she reached me, an arrow exploded at her feet and a cloud of yellow smoke billowed around her team. They started coughing and gagging. I could smell the gas from across the woods—the horrible smell of sulfur.

"No fair!" Thalia gasped. "Fart arrows are unsportsmanlike!"

I got up and started running again. Only a few more yards to the creek and I had the game. More arrows whizzed past my ears. A Hunter came out of nowhere and slashed at me with her knife, but I parried and kept running.

I heard yelling from our side of the creek. Beckendorf and Nico were running toward me. I thought they were coming to welcome me back, but then I saw they were chasing someone—Zoe Nightshade, racing toward me like a cheetah, dodging campers with no trouble. And she had our flag in her hands.

"No!" I yelled, and poured on the speed.

I was two feet from the water when Zoe bolted across to her own side, slamming into me for good measure. The Hunters cheered as both sides converged on the creek. Chiron appeared out of the woods, looking grim. He had the Stoll brothers on his back, and it looked as if both of them had taken some nasty whacks to the head. Connor Stoll had two arrows sticking out of his helmet like antennae.

"The Hunters win!" Chiron announced without pleasure. Then he muttered, "For the fifty-sixth time in a row."

"Perseus Jackson!" Thalia yelled, storming toward me. She smelled like rotten eggs, and she was so mad that blue sparks flickered on her armor. Everybody cringed and backed up because of Aegis. It took all my willpower not to cower.

"What in the name of the gods were you THINKING?" she bellowed.

I balled my fists. I'd had enough bad stuff happen to me for one day. I didn't need this. "I got the flag, Thalia!" I shook it in her face. "I saw a chance and I took it!"

"I WAS AT THEIR BASE!" Thalia yelled. "But the flag was gone. If you hadn't butted in, we would've won."

"You had too many on you!"

"Oh, so it's my fault?"

"I didn't say that."

"Argh!" Thalia pushed me, and a shock went through my body that blew me backward ten feet into the water. Some of the campers gasped. A couple of the Hunters stifled laughs.

"Sorry!" Thalia said, turning pale. "I didn't mean to—"

Anger roared in my ears. A wave erupted from the creek, blasting into Thalia's face and dousing her from head to toe.

I stood up. "Yeah," I growled. "I didn't mean to, either."

Thalia was breathing heavily.

"Enough!" Chiron ordered.

But Thalia held out her spear. "You want some, Seaweed Brain?"

Somehow, it was okay when Annabeth called me that—at least, I'd gotten used to it—but hearing it from Thalia was not cool.

"Bring it on, Pinecone Face!"

I raised Riptide, but before I could even defend myself, Thalia yelled, and a blast of lightning came down from the sky, hit her spear like a lightning rod, and slammed into my chest.

I sat down hard. There was a burning smell; I had a feeling it was my clothes.

"Thalia!" Chiron said. "That is enough!"

I got to my feet and willed the entire creek to rise. It swirled up, hundreds of gallons of water in a massive icy funnel cloud.

"Percy!" Chiron pleaded.

I was about to hurl it at Thalia when I saw something in the woods. I lost my anger and my concentration all at once. The water splashed back into the creekbed. Thalia was so surprised she turned to see what I was looking at.

Someone… something was approaching. It was shrouded in a murky green mist, but as it got closer, the campers and Hunters gasped.

"This is impossible," Chiron said. I'd never heard him sound so nervous. "It… she has never left the attic. Never."

And yet, the withered mummy that held the Oracle shuffled forward until she stood in the center of the group. Mist curled around our feet, turning the snow a sickly shade of green.

None of us dared move. Then her voice hissed inside my head. Apparently everyone could hear it, because several clutched their hands over the ears.

I am the sprit of Delphi, the voice said. Speaker of the prophecies of Phoebus Apollo, slayer of the mighty Python.

The Oracle regarded me with its cold, dead eyes. Then she turned unmistakably toward Zoe Nightshade. Approach, Seeker, and ask.

Zoe swallowed. "What must I do to help my goddess?"

The Oracle's mouth opened, and green mist poured out. I saw the vague image of a mountain, and a girl standing at the barren peak. It was Artemis, but she was wrapped in chains, fettered to the rocks. She was kneeling, her hands raised as if to fend off an attacker, and it looked like she was in pain. The Oracle spoke:

Five shall go west to the goddess in chains,

One shall be lost in the land without rain,

The bane of Olympus shows the trail,

Campers and Hunters combined prevail,

The Titan's curse must one withstand,

And one shall perish by a parent's hand.

Then, as we were watching, the mist swirled and retreated like a great green serpent into the mummy's mouth. The Oracle sat down on a rock and became as still as she'd been in the attic, as if she might sit by this creek for a hundred years.