==== General Form ====
Applicable Skill + Related Attribute + Applicable Specialty + Applicable Bond + Equipment Bonuses + Positional Bonuses + Boon/Bane

VS

Applicable Defense Skill + Related Attribute + Applicable Specialty + Bond (if any apply) + Equipment Bonuses + Positional Bonuses + Boon/Bane

==== Typical Melee Attack ====
Fight + Dex + Weapon Specialty + Bond + Weapon Fight Rating + Positional Bonuses + Boon/Bane

VS

Reflex + Dex + Deflection (Specialty of Reflex) + Bond + Armor Deflection + Positional Bonus + Boon/Bane

==== Typical Ranged Attack ====
Shoot + Dex + Weapon Specialty + Bond + Weapon Shoot + Positional Bonuses + Boon/Bane

VS

Reflex + Dex + Dodge (Specialty of Reflex) + Bond + Armor Deflection + Positional Bonus + Boon/Bane

==== Typical Damage Roll ====

Str + Weapon Damage + Positional Bonus* + Boon/Bane

VS

Fort + Con + Armor Absorption + Positional Bonus* + 1d20

*Any such positional bonus used to cause damage or to prevent damage is "cashed in," and no longer applicable to further resolution rolls. 

==== Grimness Test ====
Grimness DR per Chart Above 

VS

Will + Wis + Stability (Specialty of Will) + Stability from Equipment + Positional Bonus + Boon/Bane


==== Dragon Fire Breath ====
To Hit Bonus with Attack (comprises equivalent Fight, Dex, and Weapon Shoot) + Positional Bonus + Boon/Bane

VS

Reflex + Dex + Evade (specialty of Reflex that works against AOE attacks) + Bond + Armor Fire Resistance + Positional Bonus +Boon/Bane

==== Haggle With Vendor ====
Diplomacy + Cha + Bargain (Specialty of Diplomacy) + Bond + Bargain from Equipment + Boon/Bane

VS

Vendor Bargain Rating (comprises Diplomacy, Cha, and Bargain) + Boon/Bane

Note that vendors will not bargain with characters wearing magical equipment or using spells that they know gives the character any bonuses.