House Rules: Sanity And Madness

Reducing Sanity Damage

Sanity damage can also be reduced with magic. A single casting of lesser restoration reduces sanity damage by 1d2 points up to once per day; restoration reduces sanity damage by 2d4 points up to once per day; and heal reduces the amount of sanity damage by 3d4 points up to once per day.

Bend reality, greater restoration, psychic surgery, and limited wish reduce your total sanity damage to 0 if your total sanity damage was already below your sanity edge; otherwise, these spells reduce your total sanity damage to 1 point below your sanity edge. Miracle, reality revision, and wish instantly reduce your sanity damage to 0, regardless of whether your total sanity damage was below your sanity edge.

Situation DC Failure Success
The first time a character encounters a dead body 10 1d3 sanity damage 0 sanity damage
The first time a character encounters a gruesome scene of death 12 1d6 sanity damage 1 sanity damage
The first time a character encounters an aberration, evil or chaotic outsiders, or an undead creature 10 + CR of the creature Sanity damage equal to 1/2 of the creature's CR if it is less than 10; sanity damage equal to the CR if it is 10 to 20; sanity damage equal to double of the CR if it is higher than 20 Sanity damage equal to 1/4 of the creature's CR if it is less than 10; sanity damage equal to 1/2 of the CR if it is 10 to 20; sanity damage equal to the CR if it is higher than 20
Reading a particular mythos tome for the frst time 20 1d6 sanity damage 1 sanity damage
Learning a mythos spell 15 + spell level Sanity damage equal to the spell level Sanity damage equal to 1/2 of the spell level
Casting a mythos spell (The DC is reduced by 1 each time afer the frst time a specific spell is cast; once the DC is equal to the spell’s level, the caster no longer needs to save.) 10 + spell level Sanity damage equal to the spell level Sanity damage equal to 1/2 of the spell level
Encountering a mythos creature (The DC is reduced by 1 each time afer the frst encounter with a particular mythos creature; only one check is rolled per encounter, regardless of how many mythos creatures are present. If more than one type of creature is present, use the highest CR to calculate the DC. Once the DC is equal to the creature’s CR, a creature no longer need save when encountering that creature type.) 10 + CR of the creature Sanity damage equal to double of the creature's CR Sanity damage equal to the creature's CR
Rolling a natural 1 on a saving throw against a mythos spell, any effect that causes confusion or insanity, or a mind-affecting effect created by a mythos creature. Same as original DC Sanity damage equal to the spell level Sanity damage equal to 1/2 of the spell level
Failing a concentration check while casting or concentrating to maintain a mythos spell. 20 Sanity damage equal to the spell level Sanity damage equal to 1/2 of the spell level
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