Percy's POV

Of course nothing can be easy for a hero of Olympus, especially one as famous as me. The moment I lie down on the bed and close my eyes, a nightmare of a magnitude of 9 on my nightmare scale, flashed through my mind and there was nothing I can do, except to watch it all replying in my mind. In this nightmare, I saw Annabeth lying dead in front of the Doors of Death, and Gaea's voice echoed in my mind:

"Is the sacrifice worth it? You let her die, Perseus Jackson. Her blood is on your hands." As soon as those words left her mouth, I let loose a horrible scream and shot up in bed, breathing hard. My hands were clammy with sweat. I looked over to the bedside clock and let loose a groan. The Clock states: "1.30am". I barely slept for three hours. Then a voice asked:

"Are you alright sir?"

I look around wildly and start to go for Riptide when the voice said:

"It's just me sir, Jarvis. Are you alright?"

I let out a breath that I did not know that I was holding and replied:

"I'm fine Jarvis. Can you direct me to the nearest indoor pool?"

Jarvis replied:

"Of course sir. Let me guide you there. It is 5 floors above from where you are."

With that, Jarvis guide me to a Olympic size swimming pool,. Before I jump in, I said:

"Jarvis, just to let you know, I can breathe underwater. So no need to worry if I don't come up for air."

Jarvis replied:

"Ok sir. Do you want me to alert you if any of the avengers wakes up?"

I scratched the back of my head and said:

"Um... you can flash the pool lights to alert me. See you Jarvis."

"Goodbye sir."

With that, I jumped into the pool and sank to the bottom. I started to clear my mind and revisiting the memories of the past. Before I know it, I was fast asleep.

The next thing I noticed is that the pool lights were flashing. I swam to the surface and I saw Tony standing there. He smiled and said:

"Don't mind Jarvis. I was the one who told him to put off from informing you. Truthfully, he did not sound happy about it. Uh...quick question. How long were you down there?"

I shrug and asked:

"What time is it?"

"J?"

"8.55am sir"

I scratched my head and said:

"Well, I got here at 1.45 in the morning. So, give and take about a few minutes, I would say a total of 7 hours."

Tony's jaws drop open and said:

"You were in the pool for 7 hours?" I nodded my head.

He said in a daze:

"You got to let me run some tests on you one day" I shrug my shoulders and ask:

"Where are we having breakfast? I'm starving."

He replied:

"On the ground floor. Come on Percy. Let's go." I shrug my shoulders and followed him. But, before I leave the gym, (yes, the gym have a swimming pool), I can't shake the feeling that I was being watched. So, instead of following Tony, I uncapped Riptide and the glowing bronze sword sprang into my left hind while on my right hand, I flicked my wrist and my hidden blade shot out to its full lethal length, the blade emitting a faint white glow. I scanned my surroundings and checked everywhere, including the toilets, both male and female, I have checked. No one was there, only me. I rubbed my eyes and frustration and exhaustion, sheathing my weapons and exiting the gym to join the Avengers for breakfast.

Annabeth's POV (Finally a different POV. I was tired of writing as Percy's POV)

I heaved a sigh of relief. Thanks to my quick thinking, I managed to put on my invisibility cap just in time when Percy came into the female toilet to check if anyone was there. My heart was heavy when I saw the half-crazed look in his eyes. His weapons were out and were a mere 10 centimetres away from my body. He clearly need time to heal the mental wounds that both of us had suffered when we fell into the pit. I wished I could help, but I am an immortal now. I can't interfere directly. But, just standing aside and letting Percy suffer during the night was tearing my heart apart. Unknowingly, a few tears of sadness rolled down my cheeks and I wiped them away and whispered:

"Come back to me Seaweed Brain." And I teleport back to Olympus with a heavy heart.