Plains Abberations

Roll 1D1000 to determine the threat level of the encounter.
 * 1) 1-950: Common
 * 2) 951-995: Dangerous
 * 3) 995-999: Deadly
 * 4) 1000: Nightmare

Day Encounter
Roll 1D20 to determine what type of creature is generated.

Night Encounter
Roll 1D20 to determine what type of creature is generated.