Complex sentence: In Orochimaru's lair, Orochimaru, in the shower, washing off the blood, is crying out in pain and bleeding from the effects of the dead arms the Third Hokage left him with.
Split into simpler sentences: In Orochimaru's lair, Orochimaru is in the shower, washing off the blood. He is crying out in pain and bleeding from the effects of the dead arms the Third Hokage left him with.