Tactics
Medusa specializes in close combat, taking advantage of her high Agility and Monstrous Strength. Her weapons of choice are chained daggers. While quite lethal, they are not Noble Phantasms, so it is difficult to deal critical blows with them when fighting Servants. Medusa excels in a fight using Noble Phantasms. She can annihilate many enemies at once using her anti-army Noble Phantasm Bellerophon (Bridle of Chivalry), which requires an enormous amount of prana. Additionally, she has several methods of attack that can be adapted to a wide variety of situations, such as Blood Fort Andromeda (Outsider Seal - Blood Temple) which can close off a targeted area and dissolve the humans inside to obtain prana, and Cybele (Mystic Eyes of Petrification) which is normally sealed beneath her blindfold.

Fate/complete materials III; Servants of the Fifth Holy Grail War, pg. 28-29