This is the Gore Magala BladeMaster Armor from Monster Hunter 4
Good at 0.7up weight.
Tags (clothes): gore magala armor, purple horn ornament, black cape, black breastplate, black armored gloves, black shoulder armor, black armored dress, black thigh armored boots, claws
Tags (weapon): black greatsword, holding black greatsword, weapon on back
Tags (other): red horn ornament