First Aid (Call of Cthulhu 7th Edition)

Quick answer

A percentile skill rating (0–100) you roll under on d100.

Definition

Emergency treatment—stopping bleeding, stabilizing injuries, basic medical care in the moment.

How to use it
  • This is your First Aid rating (0–100).
  • When you attempt it, you typically roll d100 and succeed if you roll equal to or under your rating.
Common mistake: Thinking high rolls are good — CoC skills are usually roll-under.
Example: I stabilize them before it gets worse with First Aid.
Explore Call of Cthulhu 7th Edition
Read the system guide and related terms.
How to play (beginner)
Quickstart + what to track.
Back to glossary
Browse all terms and categories.