Miagani Riddle 
“Friends of the Waynes though not as wealthy, their memorial ward keeps Gotham healthy.”
Miagani Riddle 
“The League of Assassins stuck blades through hearts, now they impale each other’s art.”
Miagani Riddle 
“You forced this contraption over my brain, I’ll reward you with punishment, debasement and pain.” (Not accessible before acquiring the Remote Hacking Device.)
Go to the Pinkney Orphanage and find the room with a fan on a desk. Scan the helmet object on it to solve this one.
Miagani Riddle 
“It doesn’t take much to tame a Cat, make them wear this and then call the bat.”
Miagani Riddle 
“A natural cure for Scarecrow’s doom, your savior’s gone but still in bloom.” (Correct object of focus doesn’t appear until late in the story.)
Miagani Riddle 
“Are you suffering from a mental split? Take out the trash before you defend it!”
Miagani Riddle 
“Disarming, charming, quite the inquisitor. She’ll pull back the vale, whoever her visitor.”
Miagani Riddle 
“A former warden who had a Strange turn, his appointment as mayor was a cause for concern.”
Miagani Riddle 
“The Prince of Gotham sits high in his tower, yet this picture recalls a happier hour.”
Enter Wayne Tower and examine in the portrait above the bar in the office.
Miagani Riddle 
“The highest building in Arkham City. A Strange man worked here, who took no pity.”