The battle moves toward the surface as Joseph tries to expose Santana to direct sunlight.
Joseph discovers that Santana's skin is highly resistant to the Ripple (Hamon) because his cells can absorb biological matter instantly. JoJo`s Bizarre Adventure Episode 13
Joseph allows himself to be "eaten" by Santana. Once inside the creature's body, Joseph releases a massive burst of Hamon from the inside, where Santana has no protection. Stroheim’s Sacrifice The battle moves toward the surface as Joseph