When you are hit by a cutting weapon in Lusternia, you will usually begin to bleed. After you begin bleeding, you'll continue to bleed health points every so often. Your body will gradually clot the blood, but this will take time.

Blunt weapons will often cause bruising. When bruised, you will take damage every time you move or make an offensive action. Bruising will heal slowly over time, healing a bit each time you take damage from it.

There are other methods available to quicken the clotting of blood or the healing of bruises. There are certain guild-related abilities, as well as an ability in discipline that lets you do it. The chervil herb also helps to clot blood.

Things like the haemophilia affliction or hemorrhaging will prevent you from clotting bleeding and bruising.