The Domains and how they represent reality, except in a world of linkages and symbols, they apparently mean... nothing but a facet of reality without any link to anything else. I think figuring out what the Stone, Chisel, Statue, Silk, Needle, Cloak, Clay, Stylus, and Tablet mean would go a long...
In my most recent campaign Mask of Winters had access to both a Lunar and a Dragon-Blooded.
The Dragon-Blood was a mad scientist who was constantly attempting to create new creatures to serve his Deathlord. His primary goal was the creation of Abyssal Dragon-Blooded of which he would've been the...
Ma-Ha-Suchi strikes me as a character who's going to get himself killed off by his own arrogance.
Still, his intellegence shouldn't be underestimated, He apparently knows Mask of Winters is Larquen Quen (something that even the Sidereals don't know)