Saves

Roll Nd6 and compare to the relevant ability score.

• 3d6 standard
• 4d6 hard
• 5d6 very hard

Success: total is less than or equal to ability score.

Default save domains:

• STR: unavoidable physical harm
• DEX: avoidable physical harm
• CON: poison, disease, death effects
• INT: systems overload, cognitive intrusion
• WIS: deception, disorientation, morale pressure
• CHA: coercion, social manipulation, identity pressure

Checks

General checks use:

d20 + floor((ability + level) / 2) >= 20

Default difficulty modifiers:

• Routine: +4
• Standard: +0
• Demanding: -2
• Severe: -4
• Extreme: -6