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 damge | 1 sanity damage |
The first time a character encounters a horrifying creature* | 10 + CR of the creature | Sanity damage equal to 1/2 the creature's CR | Sanity damage equal to 1/4 the creature's CR |
Each time a character encounters a qlippoth or other creature with a particularly horrific appearance | 10 + CR of the creature | Sanity damage equal to the creature's CR | Sanity damage equal to 1/2 the creature's CR |
Each time a character encounters a Great Old One | 15 + CR of the creature | Sanity Damage equal to double the creature's CR | Sanity damage qual to the creature's CR |
* Horrifying creatures are typically aberrations, evil or chaotic outsiders, and undead. “Each time” could mean the first time for each creature type, or each time a creature encounters a new kind of specific creature of that type (for example, the first time a creature encounters a skeleton and then again the first time the character encounters a wraith), at the GM’s discretion. d% | Mutation |
1-4 | Animal Traits: Fur or scales grow all over the creature’s body. |
5-8 | Bloated Neck: The creature’s neck becomes inflated and toadlike. |
9-12 | Bone Protrusions: Bony protrusions grow across the creature’s body. |
13-16 | Bulbous Cranium: Misshapen lumps and nodules cover the creature’s head. |
17-20 | Elongated Tongue: The creature’s tongue elongates and cannot fit inside its mouth properly. |
21-24 | Eye Stalks: The creature’s eyes protrude from their sockets on short stalks. |
25-28 | Forked Tongue: The creature’s tongue becomes forked like a snake’s. |
29-32 | Gnarled: The creature’s flesh takes on knotty, whorled patterns all over the body. |
33-36 | Hair Loss: Hair falls out in clumpy patches across the creature’s body. |
37-40 | Huge Ears: The creature’s ears become large and floppy, like those of an elephant. |
41-44 | Lidless Eyes: The creature’s eyes become saucerlike and lidless. |
45-48 | Lipless Mouth: The creature’s mouth becomes lipless, with exposed teeth and gums. |
49-52 | Long Fingers: The creature’s digits elongate and gain additional joints. |
53-56 | Lurching: The creature grows a few inches taller, becomes gaunter, and walks with a lurching and ponderous gait. |
57-60 | Molten Flesh: The creature’s skin sags, appearing to run like a melted candle. |
61-64 | Noseless: The creature’s nose rots away, exposing its sinus cavity. |
65-68 | Pallid: The creature’s flesh becomes translucent, revealing the veins and muscle beneath. |
69-72 | Ridges: Prominent ridged protrusions grow on the creature’s forehead. |
73-76 | Sores: Painful blisters and sores erupt all over the creature’s body. |
77-80 | Tumors: Tumorous growths appear across the creature’s body. |
81-84 | Unnatural Eyes: The creature’s pupils become unnaturally shaped or colored. |
85-88 | Vertical Eyelids: The creature’s eyelids now form vertical slits that open and close from side to side. |
89-92 | Vestigial Digits: Additional vestigial digits grow from the creature’s hands and feet. |
93-96 | Webbing: Webbing grows between the creature’s fingers and toes. |
97-100 | Wide Eyes: The creature’s eyes subtly migrate toward the sides of its head. |
d% | Mutation |
1-5 | Bioluminescent: The creature’s flesh sheds an eerie light, the strength of a candle’s. The creature takes a –4 penalty on Stealth checks. |
6-11 | Clogged Ears: The creature’s ears close up and become useless. The creature is deafened. |
12-17 | Crooked Spine: Strange ridges and dislocations mar the creature’s spine. Reduce its carrying capacity by half. |
18-25 | Deformed Joints: The creature’s joints are knobby and twisted. It takes a –4 penalty on Dexterity-based skill checks. |
26-30 | Deformed Legs: The creature’s legs are warped or misshapen in some fashion. Reduce its land speed by half. |
31-37 | Dermal Fissures: The creature’s flesh painfully splits in dry cracks and exposes tender tissue beneath. Double the armor check penalty of any armor it wears and increases any bleed damage it takes by 1 point. |
38-43 | Elongated Limbs: The creature’s limbs elongate slightly, causing bone aches. It takes a –2 penalty on attack rolls and Strength-based skill checks. |
44-59 | Eye Clusters: The creature’s eyes divide and cluster into multiple, smaller eyes contained in each socket. It takes a –4 penalty on visual Perception checks. |
60-62 | Frail: The creature’s organs fail easily. It takes a –2 penalty on Fortitude saves and on Constitution checks to stabilize while dying. |
63-68 | Light Sensitivity: The creature’s eyes take on a reflective sheen, and it gains the light sensitivity universal monster ability. |
69-74 | Malformed Gills: The creature gains nonfunctional gills that don’t allow it to breathe water, but it also has difficulty breathing air and develops a wet, labored breathing. Additionally, it becomes fatigued for 1 hour anytime it runs or charges on land, though this condition ends if it submerges itself in water for 1 minute. |
75-80 | Misshapen Mouth: The creature’s mouth is warped and deformed. All spells with verbal components suffer a 10% spell-failure chance and the creature takes a –4 penalty on checks that require it to speak, such as Diplomacy or Perform (oratory) checks. |
81-87 | Rubbery Flesh: Thick, rubbery hide replaces the creature’s skin. It takes a –2 penalty on Dexteritybased skill checks and Reflex saves. |
88-94 | Tumorous Brain: Large tumors form in the creature’s brain, causing its skull to deform. Anytime the creature casts a spell or attempts an Intelligence-based skill check, it becomes staggered for 1 round. |
95-100 | Weeping Sores: Open sores weep strange fluids down the creature’s body. The creature takes a –4 penalty on Fortitude saves to resist diseases. |