Context: self-defense, not sport or play. Karate practitioner who wants to get up to strike or get away.
What are the essential grounds skills a karateka should have?
Thus far, I have identified: sprawl, breakfall, sweep while mounted, sweep while attacker is in guard, choke while attacker in guard, break and stand up from guard, get up while not exposing yourself, and restricted movement striking.
Got more? Take issue with anything listed?