Rocking Out.
This should be your'e seventh trophy. can be missed
This is your'e second god power once you get into a room with yellow lighting go up to the floating power a cut scene will play asking you to kill Medusa simple fight just attack when she does the gaze roll around R3 and attack again untill O pops up above her head do that a qte will play this one's just L3 stick movements only three and you rip of her head after that your'e trophy will pop