In the original script for both episodes, it details how the room was overrun with flames in the addition to the crumbling ceiling.
The script notes provide fans of harrowing details of Tyrion’s journey through the war zone.
The notes read: “All of the skulls have been blackened and scorched by the extreme heat of the fires that raged for hours,”
Moreover, showrunners used several real world wars and tragedies in comparison to the scenes, which according to Insider, are all included in the original script.