The mass combat rules are indeed designed to make the odds in a fight between a small number of characters and a large swarm of characters lower, by accounting for random critical hits and flanking.<br/><br/>At any rate, the room is 30 feet by 50 feet, with 30 foot wide doors at the north and south of the room.  The ceiling is 20 feet high, and there are 10 foot wide doors to the east and west.<br/><br/>Your party as a mass combat unit has the following stats:  (assuming Sam is the leader)<br/><br/>Measure: 1<br/><br/>HP: 43<br/>AC: 25<br/>Unit Defense: 33<br/>Discipline: +10<br/>Stamina: 6<br/>Morale: Perfect<br/>Magic: 9<br/><br/>Melee Attack Rating: +14<br/>Melee Attack Damage: 1d8+10<br/><br/>Ranged Attack Rating: +21<br/>Ranged Attack Damage: 1d8+9<br/><br/>Special Characters:<br/><br/>Kasumi (Vanguard)<br/>Mark (Wizard)<br/><br/>If your unit's measure gets reduced to 0, you guys take damage individually from the last attack, get split up, and default to a couple of rounds of regular combat before reuniting and switching to mass combat again.<br/><br/><br/>Resolving things as mass combat will make the encounter much much quicker.  At any rate, you're facing 40 CR 3 Karrnathi undead from the Eberron Campaign setting, plus 4 Dread Marshalls from The Forge of War.<br/>