Back Stab Skill

Before an attack roll is made, a skill check for "Back Stab" should be rolled if attacking character has that skill, and is in a situation which allows for it. The degree of success and type of target determines attacker advantage.

Human / Demihuman

Humanoid

Some Decernable Annatomey

Success +2 to Strike, X2 Damage +2 to Strike, X1 Damage +1 to Strike, X1 Damage
Success by 25% or better +4 to Strike, X3 Damage +3 to Strike, X2 Damage +2 to Strike, X1 Damage
Success by 55% or better +6 to Strike, X4 Damage +4 to Strike, X2 Damage +3 to Strike, X2 Damage
Success by 80% or better +8 to Strike, X5 Damage +5 to Strike, X3 Damage +4 to Strike, X2 Damage