Rolemaster Companion III was a book put out by Iron Crown Enterprise to supplement the core roles of their fantasy role-playing system Rolemaster. This book includes new character classes, new weapons, new critical charts, new spell lists, new artifacts, new rules for initiative and mounted combat, and many other optional rules. The new character classes include the bounty hunter, the assassin, the bashkar, the farmer, the duelist, the craftsman, the cavalier, the gypsy, the sailor, the warrior, the crafter, the noble warrior, the chaotic lord, the macabre, the montebanc, the moon mage, the sleuth, the professional, the crystal mage, the magus, and the dream lord, The new critical strike charts include plasma, acid, physical alteration, depression, stress, shock, and disruption. The new attack charts include the plasma bolt, the plasma ball, the nether bolt, and the nether ball.