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Large Scale Combat
Most combat takes place with only a handful of participants - usually, a few player characters and their henchmen (if any) opposing a few monsters (or other bad guys). Occasionally, though, the DM needs to handle a large scale battle, such as when players are caught up in a war (or have advanced enough to command armies of their own). It's unpractical to calculate each individual's attacks for every single round, and somewhat unrealistic to throw a blanket number over several hundred soldiers at once. To further compound matters is the fact that when two armies square off against each other, lots of men will realistically be hit every round.
Here is one solution that I've discovered. A twenty-sided die is rolled each round to determine the percent of soldiers in that unit that score successful hits that round. Normally, this runs in the 5%-95% range. Before applying the result of this roll, though, roll 1d100 to find the modifier roll for each round.
Adjusted Unit Attack Rolls
- 01: -3 modifier; roll a special morale check for unit
- 02-05: -2 modifier
- 06-20: -1 modifier
- 21-79: normal roll
- 80-90: +1 modifier
- 91-95: +2 modifier
- 96-99: +3 modifier
- 00: +5 modifier; enemy must check morale at -3 or break and run
Normal attack roll results are as follows:
Thanks to t_catt11 for this contribution!