B-35C Heavy Brotherhood of Steel (Botherhood of Steel, BOS) is a heavy combat armor based on the popular game series by the Botherhood of Steel. 

B-35C Heavy Brotherhood of Steel is a fictional character that was designed by the developers for the first Botherhood of Steel game. The B-35C was designed as a heavy, durable armor for use in combat situations. It was designed to be used as a suit of heavy, bladed armor that offers protection against attacks and blows.

The armor is designed to be compatible with most weapons and power armor, including firearms, melee weapons, and other heavy weapons. It offers protection against attacks and blows, and allows the user to choose between two different views: a third-person view and a first-person view.