Sunday, August 2, 2015

Exhaustion

On the subject of rules I don't intend to incorporate . . . here are some thoughts.

Consider that the characters wake up in the morning feeling rough and beaten - as most of us feel when we wake in the morning.  They've slept on the hard ground, possibly under the stars; or perhaps on the unpadded wooden floor in a inn's common room, a more typical night spent in a town than the Howard Johnson version of a D&D inn that is usually supposed.  It is all right; it takes a few rounds of stretching, scratching, consuming and walking about to get the kinks out and get ready for a day's adventure.

Suppose we say, however, that as the day moves along, the characters tire.  Not very much, not at first - and certainly less if the players remain sentient and in comfort.  Everyone gets tired, however, even those who rest.  And as they tire, they lose their glorious, inviolable stats somewhat; a little bit at a time, by the hour.

It isn't as though this sort of thing is new; and it is obvious it has proven spectacularly successful in a number of video games.  We live, we work, we swing a weapon a few times, we get tired.  The premise exists . . . the only question is, how tired?

We can break down the day by hours to get a sense for this.  The party rises at seven, gathers their camp and gets out on the road by eight.  Presuming a 20-mile (32 km) walk per day over eight hours (with two hours of rest between), by nine they've covered 2.5 miles (4 km).  Not to forget, they are loaded with equipment and weapons!  This isn't the merry walk or jog down to the downtown core a commuter might take in the morning.  This is slogging in armor over poor roads or wilderness - the distance covered might be much less, depending on the terrain, as little as 2 miles a day or 400 meters an hour.

At ten the party rests, largely from hunger and not from being footsore.  They set off again at ten-thirty, stopping around noon for a worthy meal.  They're off again at one and so they tramp until four.  Those three long hours need a break, the last before the light is lost and camp must be set up.  So they walk from four-thirty to six, perhaps seven if they want to walk for nine hours that day and really make some time.  The sun will go down soon, however, and setting up tents, making a meal, caring for the animals and possibly building a bit of a perimeter is no easy short-time task.

I can see a simple evaluation for this built out of the Fibonacci series.  Copying from wikipedia, the series runs:

1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89 . . .


Those being all the numbers I need.  Note how each number in the series after the first two are the sum of the previous two numbers (2 = 1+1, 3 = 1+2, etc).

The party sets off for their first two hours and by the end of that, their stats and hit points are reduced by 1%.  Note, one hour of work and two hours of work by this system reduce the character's stats by the same amount.

We don't count fractions of hours, so the hour and a half before lunch (3.5 hours total) count as a loss of 2%.  Hell, that's nothing.  It means a character with 100 hp is reduced to 98.  Piffle.

It starts to add up, however.  That walk between one and four, three hours, that begins to rack up the numbers.  By one-thirty, the character has walked four hours and is down 3%; by two-thirty that's 5% and by three-thirty, 8%.  That's enough to reduce a strength of 18 down to 16.5.  By this time I would expect the characters to be asking themselves, do we really want to walk another hour?

Four o'clock in the afternoon still counts as 6.5 hours; it only takes another half hour of walking to drop everything 13%.  That last walk between the afternoon rest and camping may not seem like much, but quitting at six o'clock still means everyone's stats and hit points have been reduced by 21% across the board.

Think about that.  That's enough to render all a character's precious power stats ordinary and transform a few dump stats into dangerous levels.  Some characters, such as a paladin, ranger or monk, would actually lose enough stats to no longer meet the class requirements!  Thus the paladin might not have the energy to lay on hands, gain a +2 against attacks or cure disease.  A druid may lose the ability to cast spells.

Does the party really want to walk another hour?  That would drop us all 34%.  Ouch.  Maybe we could rest?

The resting would matter, wouldn't it?  Logically, a longer rest in the middle of the day would reduce these effects, right?  I agree.  But I feel it would reduce the effects the same way they're gained.  In other words, one hour of rest would restore 1%, as would two hours of rest.  Meaningful gains from rest would require many consecutive hours of resting . . . for, I would argue, setting off again would compile the total amount of work done in a day.  It would not, as some might suggest, return to zero.

I feel I should make that clearer.

Our party pushes on from eight until noon without a break, reducing our energy by 3%.  We take an hour and rest, gaining back 1%.  Take note - a second hour of rest would not gain another 1%!  That first two hour period takes it away and adds it precisely the same.  We'd have to rest three full hours to gain back 2% of our loss.

It is three and we've rested for three hours.  We're down 1% below normal.  We set off and walk an hour.  Now, do we lose 1% in that hour walked?  No!

We have worked 5 hours, giving us a total loss of 5%.  We have rested three hours, giving us a total gain of 2%.  5 minus 2 = 3% below par.  Another hour of work would drop us to 6% overall and another hour would drop us to 11%.  It is five in the afternoon and once again, despite the rest, it may be time to think about stopping for the day.

As I said, I have no intention of implementing this rule.  I still think it is elegant.

10 comments:

JB said...

@ Alexis:

I forget...did you end up going with hard-fast rules for the acquisition of illness? And if so, how would that fit with this method of fatigue (decreased immune system and increased vulnerability to colds and whatnot)?

Ray Doraisamy said...

It is elegant. I wonder how it stacks activity intensity and environmental effects such as the heat index. As usual, you've got me thinking.

Alexis Smolensk said...

I never did, JB,

But if I based a flat chance on stats, then the above would fit like a glove.

Ozymandias said...

Expsoure to the elements: starting point on this scale is increased. And if the heat/cold index (or the apparent temperature) is high/low enough, the time shrinks from every hour to every half- or quarter-hour. Wearing protective (as appropriate) clothing brings the starting penalty back down.

You may not implement this, but I'm sure gonna steal it.

Jon Gilliam said...

The 5e rules do incorporate something called levels of exhaustion which cover cases like a forced march or starvation, although I haven't had an appropriate opportunity to incorporate them yet in my campaign.

Oddbit said...

Additive or multiplicative with low HP effects do you think?

ScrivenerB said...

Tangential, but this reminds me of the stereotypical vision of Europeans exploring in Africa. They don't try to carry every last damn thing themselves. They don't try to DO every last damn thing themselves. They have bearers and guides and scouts and some body servants to cook and make camp. Why? All so they're not incredibly tired all the time. The walking is hard enough without all that other nonsense. If you DID implement some version of your rule it might serve to encourage such things.

Oh, and the explorers rely on bearers rather than mules or (good lord) horses because pack animals bring on a world of extra cares of their own. Far better to try to come to terms with the locals, or something like locals.

Maxwell Joslyn said...

Good thinking, ScrivenerB.

Jeremiah Scott said...

I'm guessing your job right now has your endurance knocked quite a ways down the Fibonacci scale. I miss daily updates, but I've been there too. Here's to future job opportunities that allow you to do what you love and pay the bills!

Ktulu said...

I've used the 5e exhaustion rules a lot in my current game and they do a fancy job of forcing a longer rest after so many levels are picked up. Basically, when the party gets to half movement, they usually choose to make camp for a few days and rest it out. Half movement through a dense forest or heavy snow drift just isn't worth it. And the eventual attack penalties that show up really scare the players thinking about possible ambushes.