Harry discovered the secret inside the Golden Egg too, just a few days later.
He happily came over to thank Su Er for his help, but immediately found himself facing a new problem-how was he supposed to last an hour underwater?
That, however, was something Harry would have to solve himself.
He had a group of friends who would offer him suggestions.
Su Er just wondered whether Harry would still end up using gillyweed to enter the Black Lake. Hmm... there was another interesting question he wanted answered.
In the original story, Harry's treasure had been Ron. Would his treasure still be Ron here?
In short, all four champions seemed to know what they would face in the second task by this point, and with that, time quietly slipped by.
That night, the young wizards were already fast asleep. The next day was the Hogsmeade Weekend before the tournament began, and although Su Er had gone to bed early, he had not fallen asleep. He cast a faint light with his wand and waited quietly beneath his covers, his eyes fixed on the Marauder's Map.
Because of Su Er's interference, Harry had not gone alone to the Prefects' Bathroom under his Invisibility Cloak in the middle of the night, nor had he spotted Barty Crouch on the Marauder's Map, much less witnessed Barty, wearing Moody's skin, having a blazing row with Snape.
Naturally, Su Er had borrowed the Marauder's Map from Harry without any trouble.
A brief mention of how Harry had solved the puzzle: apparently, Ron had accompanied Harry to the bathroom's pool. Hmm, positively brimming with bromance.
Back to the matter at hand.
According to Su Er's guess, if Old Voldy still needed unicorn blood to sustain his frail body, tonight would be the best opportunity for his