Ah, here we are, page 372, section 8, merging."
"to begin using the merge spell, you must have two viable objects at hand. they can either be inanimate or organic.
Anatomically Correct, Anthro, Anthropomorphic, Aroused, Bareback, Bestiality, Big Tits, Blackmail, Blowjob, Breast Fondling, Breast Growth, Bukkake, Busty, Butt, Canine, Character Development, Clit, Cock, Cock Transformation, Commission, Cooking, Cuddling, Cum Inflation, Cunnilingus, Deep Penetration, Deep Throat, Deep Thrust, Dog, Doggystyle, Domination/Submission, Ejaculation, Erection, Erotic, Female Ejaculation, Fisting, Forced, Forced Sex, Forcedshifting, French Kissing, Futanari, Gender Shifting, Gender transformation, Growth, Handjob, Humiliation, Humping, Inserting, Kissing, Knot, Licking, Love, Lust, M/Herm, Magic, Malamute, Messy, Milking, Morphing, Muscle, Muscle Growth, N/C, NC, Naked, Nude, Oral, Orgasm, Pain, Passion, Paw, Personal Redemption, Plot Development, Punishment, Rape, Restrain, Role Reversal, Rough Sex, Sex, Sheath, Shower, Size Difference, Smothering, Spell book, Story Progression, Swallowing, Too many tags, Transformation, Vaginal Fisting, merging