Blood of Dragons is the only author-approved MUSH based on George R.R. Martin's A Song of Ice and Fire. Play the Game of Thrones and become a part of the history of the Seven Kingdoms:
These files cover how the Combat system works on the game, explaining how the system can be used and what the mechanics behind it are.
Currently, the Combat system consists of a couple of basic and fairly specific sub-systems; a more full-fledged system is under consideration.
The Westeros network consists of several different sites, including a forum and a wiki, for all your A Song of Ice and Fire needs.