Hi everyone! I hope you like this fanfic, I've never written one before. Feel free to review! ;D

Disclaimer: I unfortunately don't own Leo. Or anything else. APART FROM THE STORY LINE, THAT'S ALL MINEEE!

Percy, Annabeth, Jason, Piper, Frank and Hazel were all having breakfast on the Argo II when Leo stumbled through the doorway. Everyone looked up. His eyes had large bags under them, his hair was matted with motor oil, and his clothes were lathered with dirt and grime. His left wrist was also bent slightly outwards and was roughly wrapped in an old bandage. None the less, he still had a huge grin plastered on his face.

''Good morning guys!'' he said, plonking himself down at the end of the table and fiddling with his machine parts.

''Leo,'' said Piper, ''are you feeling okay?''

Leo turned and looked at her, his head cheekily tilted to one side. ''Yeah, why?''

''You look exhausted.''

Leo's smile faltered for a second, but he regained his composure so fast that Piper thought she must have imagined it.

''It's nothing, Beauty Queen. Just had a late night!'' Having said that, he grabbed one of those self-filling cups from Camp Half-Blood, downed two cups of black coffee and made a face.

''Eugh, coffee really should have a better taste. Well, see ya later!'' and he jumped up and ran to the engine room.

Piper stared after him for a few seconds, and then turned to the rest of the group. ''Don't you think he was acting funny?''

Jason looked up from his cereal. ''I mean, he did say that he didn't get much sleep. I'm sure we all act weird when we're tired.'' The others mumbled in agreement.

Piper would have pondered on it for a little longer if Leo hadn't rushed in at that precise moment and breathlessly yelled, ''SHIP'S UNDER ATTACK!''

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After rushing off from his short breakfast, Leo had run back to the engine room to finish his repairs on the engine. He had been up for 31 hours, but it wasn't like he cared or anything.

If we're gonna defeat old Dirt Face, this Spanking Hot War Machine needs to be in pristine condition.

He didn't want to be the reason that his friends failed to stop Gaia. Not after all the other times he had messed up. Not after Tartarus. He still deeply blamed himself for letting them fall in, and for opening that goddam stupid fortune cookie.

THEY WOULD BE BETTER OFF WITHOUT YOU. YOU'RE JUST THE REPAIR BOY, THE SEVENTH WHEEL.

Shut up, me. He thought. I don't want to be self pitying.

He turned his back to the engine and walked over to his desk. He picked up the one photo of his mum that hadn't been burnt in the fire. He let a tear fall. ''Lo siento, mama.''

He wiped his tear away. Now was not the time for missing her. Just as he turned back to the engine, Festus started creaking and clicking. Morse code. Leo effortlessly translated it, but he wasn't happy with the outcome, ''MONSTERS INCOMING''.

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Hahaha, cliffhanger!

Please tell me if you liked it, I certainly enjoyed writing it! I hope to see you in the next chapter!