A design depicting the quest of Roland Deschain, last of Arthur Eld's line, to catch Marten Broadcloak and eventually find and enter The Dark Tower.
"The man in black fled across the desert. and the Gunslinger followed."
The Sombra Corporation is a megacorporation in alliance with North Central Positronics and LaMerk Industries, and in conflict with the Tet Corporation.
Richard Sayre was at one time the CEO of the Corporation.