DrawActorPersent: the number of characters draw in the screen at any given time. Includes NPCs as well as other players. It helps a lot with crowded places such as Klaipedia. I set mine to 20, which helps a little with FPS but doesn't makes many chars disappear. I actually don't think my computer can handle the original amount which is 99! But the biggest issue doesn't seems to be character rendering, but receiving network packets of what other players are doing, which this setting does not fix.