A System of Deliberate Violence

When attacking someone, gain +1 or -1 to the attack roll (your choice) for every applicable item from the following list:

• You know their first name
• You know their last name
• You know their parents' names
• You know their partner's/partners' name(s)
• You have mutual friends
• You have drawn their blood before
• You have killed one of their species before
• You studied their movements
• You studied their anatomy
• You had sex with them
• You lived with them

For every applicable item, regardless of the effect on the attack roll, gain +1 damage.