In pg49 are concubi traits but I can quote them here.<br/><br/><div class="spoiler_container"><div class="spoiler_header" onclick="hideSecond (this);" role="button">Concubi</div><div class="spoiler_body"><strong>Concubi Traits</strong><br/>Through powerful blood-curse curse, you are afflicted<br/>with a unique variation of the Umbraviralis plague,<br/>granting you the following features.<br/><br/><strong>Ability Score Increase.</strong> Your Charisma score increases<br/>by 3, and your inhibition score is reduced by 2<br/>(keep half-elf stat line but inhibition reduced by -2)<br/><br/><strong>Age.</strong> Concubi are functionally immortal and show no<br/>visible signs of ageing beyond their prime, so long as<br/>they feed regularly on the sexual energy of others.<br/><br/><strong>Size.</strong> Concubi tend towards the same range of height as<br/>normal humans. Your size is medium<br/><br/><strong>Speed.</strong> The curse that afflicts you also grants you<br/>increased speed in the darkness of shadow. Your speed<br/>is 40 ft in bright light, 50 ft in dim light, and 60 ft in<br/>darkness<br/><br/><strong>Alignment.</strong> Concubi are no more evil by nature than<br/>their human counterparts, but may lean towards such<br/>alignments due to social stigma.<br/><br/><strong>Climactic Feeding.</strong> When a creature within 5 ft of you<br/>fails a climax saving throw, you may use your reaction to<br/>feed on their climax, Expending a number of hit dice up<br/>to your proficiency bonus, and regaining hit points as if<br/>during a short rest.<br/><br/><strong>Sexual Stamina</strong> You have advantage on saving<br/>throws made to recover from incapacitation caused by<br/>climaxing, and treat overstimulation as if it were one<br/>level less.<br/><br/><strong>Lustful Hunger.</strong> Concubi are sexual parasites, and must<br/>feed on the sexual energies of other creatures to sustain<br/>themselves. You must feed on a least one climax each<br/>day, or suffer a level of exhaustion.<br/><br/><strong>Love Aversion. </strong>The lustful hunger that sustains you<br/>is burned by the touch of true love. You take 1d6<br/>radiant damage while in direct physical contact with<br/>any creature that is part of a truly loving romantic<br/>relationship.<br/><br/><strong>Darkvision.</strong> Your shadowy curse has adapted your<br/>vision to the dark. You can see in dim light within 60 ft<br/>of you as if it were bright light and in darkness as if it<br/>were dim light. You can’t discern color in darkness, only<br/>shades of gray.<br/><br/><strong>Lust Sense.</strong> The disease has made you acutely aware<br/>of the arousal of others. You know the current arousal<br/>of all creatures within 30 ft of you, and can sense the<br/>presence and location of any creature with a current<br/>arousal higher than half it’s maximum arousal<br/><br/><strong>Unnatural Ability.</strong> In addition to supernatural beauty<br/>and resilience, Well fed Concubi gain a supernatural<br/>strength and agility. If you have fed within the last hour,<br/>you may use a bonus action to draw on this power,<br/>increasing your strength or dexterity scored by 2 for<br/>the next minute.Languages. You can Speak, Read, and<br/>Write Common, and one other language of your choice.<br/></div></div><br/>In regards Blowjob Mastery Curse; I assume you speak of Ring of Oras feature attached to your womb tattoo? I am fine with that, your cursed but in return, you gain more improved oral pleasuring skills (but the same oral damage is applied to you when you do it to others).