Warmaster: Assault On The Flagship

Back in the mists of time, White Dwarf issue 161 released a game as part of the Horus Heresy early 1990's Games wargame series. It is a hex/chit type wargame involving the famous historical battle that occurs on Holy Terra between the traitor Warmaster Horus with his chaos followers and the Emperor and his Imperial armies. Warmaster concerns itself with the attack on Horus’s ship