She-Ra was fourth.
The princess held the Sword Vigor and the Sword of Protection, wielding two greatswords at once—equivalent to possessing twice the Power of Grayskull. The subsidiary concepts making up the maze had originally been "born" from it, so She-Ra was basically using a key to play Escape Room—a mere formality.
It was only because she had never seen the dream realm before and curiously lingered to look at the scenery that she came out a little late.
Still, there was a prize. Deathstroke gave her a piece of chocolate so she would not have nothing to do while waiting for everyone else to arrive. At least she could use it to catch frogs.
The next to appear was Cheetah. Judging by the expression on her catlike face, her situation had clearly been similar to Luthor's. She had probably dreamed of Little Dai turning into a sycophantic best friend, found it far too unrealistic, and been scared awake.
After being defeated by Deathstroke, the Legion of Doom seemed to have become much more cautious. They were even careful while dreaming.
Sinestro and Grodd appeared next, apparently in much the same state.
What Uncle Sai liked most about Hal was that the latter was a stubborn mule, with that standard american soldier attitude of heaven being first and himself second. It made beating Hal up all the more satisfying for Sinestro.
But clearly, the Hal he had dreamed about this time had probably yielded to fear. Uncle Sai did not approve of that at all, so he woke up as well.
Grodd was different. As an arch-nemesis, he truly had an obsession with Barry, but as a king, he cared even more about the Gorilla Kingdom.
While everyone else dreamed of romance dramas, he had probably dreamed of a serious