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New Starvation Rules (2e):

On p.129 are rules for starvation that kill the average human being on day 4 of a hunger strike, and kill even Essence 10 Stamina 10 Resitance 10 characters on day 31. This may be intended as a feature of the rules, but it means virtually no one can go without food as long as many, many people in real life have. Gandhi went 21 days without food in 1924; was he an Essence 7 Exalt? No wonder they called him Mahatma (Great Soul).

Instead, let's go with the following rule:

"Characters can go a number of days equal to half their (Stamina + Resistance) total (rounded up) without penalty, at which point they get a flat -2 internal hunger penalty to all rolls, representing the basic level of the body demanding food. Additionally, they take an unsoakable lethal health level after a number of days without food equal to ([Stamina + Resistance]/2 + Essence + 5 + Current Wound Penalty) days, rounded up; they die on the day without food after being Incapacitated."

So, as a example, an otherwise-uninjured normal human with a Stamina of 2 and a Resistance score of 0 would take a lethal damage level on day 7 ([2+0]/2 + 1 + 5 + -0 days, the -0 level gets marked), 14 ([2+0]/2 + 1 + 5 + -0 additional days, the first -1 level), 20 ([2+0]/2 + 1 + 5 + -1 more, 2nd -1), 26 ([2+0]/2 + 1 + 5 + -1, 1st -2), 31 ([2+0]/2 + 1 + 5 + -2, 2nd -2), 36 ([2+0]/2 + 1 + 5 + -2, level -4), and 39 ([2+0]/2 + 1 + 5 + -4, Incap), dying on day 40.

Alternatively, an Essence 2, Stamina 5 Resistance 5 Solar with one level of Ox-Body Technique (-1/-1) would take a lethal damage level on day 12 ([5+5]/2 + 2 + 5 + -0, the -0 level gets marked), day 24 ([5+5]/2 + 2 + 5 + -0, the first -1 level), day 35 ([5+5]/2 + 2 + 5 + -1, second -1 marked), day 46 ([5+5]/2 + 2 + 5 + -1, third [Ox-Body] -1 marked), day 57 ([5+5]/2 + 2 + 5 + -1, fourth -1 marked), day 68 ([5+5]/2 + 2 + 5 + -1, first -2 marked), day 78 ([5+5]/2 + 2 + 5 + -2, second -2 marked), day 88 ([5+5]/2 + 2 + 5 + -2, -4 marked), day 96 ([5+5]/2 + 2 + 5 + -4, Incap marked), dying on day 97.

Comments:

Ahhh, too many numbers! I'd never noticed that part of the rules though. I'll have a look at that. Don't you think 40 days without food is a little much for a stamina 2 resistance only mortal though?
-- Darloth

It's technically fairly accurate, given a healthy individual with a sensible body fat ratio, in an accomodating climate, without undue physical stress. Typically, you're looking at severe systematic damage after around three weeks, and death between a month and (at most) two months...DeathBySurfeit, dimly recalling biochemistry lectures