The Sahir’s Synthemata of Kharrat the Braggart
Solominc Summoning 10
For as long as this spell last, 5 is added to the casting or summoning totals against Kharrat the Braggart.
Arkhaman Laqy al-Hayz al-Nahr developed this spell so that he would never again rely on bargains to deal with Kharrat.
(Base 10)
This spell uses the Non-Hermetic version of synthemata, which is available as a Supernatural Mystery Virtue in The Mysteries Revised Edition . The lab total for such spells would be summoning art + (Realm) Lore. The bonus to casting total is assumed to be (level 5) because concentration would presumably add one magnitude.