Go to the storeroom of the palace in Ithaca -- kill the bullock. Carve filet, go to the temple of Apollo in Thebes (from the Docks of Ithaca go E 4N W 2N, ASK GUARD GATE, SAY YES, 2E), buy a black pouch, PUT POUCH BRAZIER, then put the bullock filet in the brazier -- you are blessed by Apollo.
credit: <a href="http://www.legenddb.com">legenddb</a>