Chapter 1 - New Skill: Prowess
This skill is in addition to the skills normally available to characters, as found in Chapter 3 of the PHB.
As with the Perform skill, each rank in Prowess grants you a sexual proficiency, either physical or mental, within which you can apply your rank bonus to checks - you may not use your Prowess rank bonus for any application for which you do not have the appropriate proficiency.
For example, three ranks in prowess could allow a character to be proficient with Masturbation (Male), Penetrative (Matrimonial), and DSM (Domination). These three proficiencies would allow the character to add their +3 rank bonus to a Prowess check; all other proficiencies would be with a +0 rank bonus instead.
Special: Regardless of circumstances, it is impossible to take 10 or take 20 on a Prowess check, due to its unpredictable nature.
(By type - Breasts, Erotic Massage, Stroking etc.)
(By orifice - Anus, Breasts, Thighs etc.)
(By position - Cross, Frontal, Half-facing, Inverted, Matrimonial,
Negresse, Rear, Riding, Scissors, Standing etc.)
(By item - Dildos, Fruit, Wands, Wizards' Staffs, etc.)
When a partner is using a Penetrative or Exotic technique against them, characters always make a Prowess check back, if only by virtue of just lying there (this is regardless of whether or not the partner wishes to). If they do not add their rank bonus to this reflexive roll, this ‘passive’ check is considered a free action and does not impose any penalties against any other Prowess checks they may wish to make that extended round.
Prowess checks using the ‘Toys’ proficiency require an appropriate item for use as a sexual aid. Using an inappropriate item incurs a –2 circumstance penalty for poor quality tools and may incur consequences under the Size Matters rules, whereas using an ideal item for the job gives a +2 circumstance penalty for excellent tools.
Exotic proficiencies are listed as having two sets of modifiers: the ‘Receiver’ set is used as a modifier for Prowess checks made against the thruster, and the ‘Thruster’ set is used as a modifier for Prowess checks made against the receiver.
(By type - Contortion, Hanging, Inverted, Ties etc.)
Talk (By approach - Filthy, Sweet, Poetic, etc.)
Dance (By type - Lapdance, Poledance, Striptease, etc.)