The strangler is a rare poison, which makes the person unable to breathe. The poison is made from plants that are only found on islands in the Jade Sea. The leaves of the plant are picked and aged, then soaked in a wash of limes, sugar water and rare spices from the Summer Islands. The leaves are then discarded, but the liquid is kept and thickened with ash and allowed to crystallize. It turns a deep purple color.
… Robb was changed. He was Robb the Lord now, or trying to be. He wore a real sword and never smiled.
Emilia Clarke for Marie Claire (May 2014)
"His sister sat in a puddle of wine, cradling her son’s body. Her gown was tom and stained, her face white as chalk. “The boy is gone, Cersei,” Lord Tywin said. He put his gloved hand on his daughter’s shoulder [… ] She did not hear. It took two Kingsguard to pry loose her fingers, so the body of King Joffrey Baratheon could slide limp and lifeless to the floor.”
"Definitely, attention equals pressure, but everything, everything is still so new to me that I’m enjoying jumping on this bandwagon early and seeing how I respond to it. If you spend too much time wondering what you’re going to feel like in year five, you’re not going to feel anything in year one."