You can injure a knocked out person or yourself. To injure a knocked out person get next to them, face them, and hit the I key. You can choose different kinds of injuries to inflict each has different effects.
If an injury is temporary it will heal on its own after enough time.
If an injury is chosen as permanent then the following ways can heal it:
1) The regeneration ability which Puranto start with and others can learn has the ability to heal injuries when it is enabled.
2) Death regeneration heals all injuries.
3) The Heal ability, which lets you heal others, can heal 1 injury per game year.
4) Dying will heal all injuries
5) Repair Android/Cyborg: If you are an android or cyborg you can use this, and all injuries will be repaired.
6) Upgraded regenerator. Made thru science. It can heal injuries if you just stay in it.
7) Magic Food instantly heals all injuries.
Types of injuries and their effects:
Eye: Lowers defense greatly. Having 2 eye injuries will make a person blind with only occasional glimpses of their surroundings.
Internal: The person becomes unable to recover energy.
Arm: Attack rate and defense are decreased.
Leg: Movement, defense, and attack rate are decreased.
Brain: The ability to create technology and teach/learn skills is disabled
Dick: Cant mate.
Most if not all injuries also lower your available battle power.