: Systems for translating characters between the d20 engine and Chaosium’s Basic Roleplaying (BRP) system. Critical Legacy
One of the book's most significant contributions is its extensive appendix for integrating Lovecraftian horror into standard D&D campaigns. It provides: Call of Cthulhu - D20 Core
Any suggestions to how improve the Cthulhu d20? : r/callofcthulhu : Systems for translating characters between the d20
: Unlike the hit-point cushions found in other d20 titles, this edition features "Massive Damage" thresholds that make even low-level threats potentially fatal. Call of Cthulhu - D20 Core