Joseph discovers that Santana's skin is highly resistant to the Ripple (Hamon) because his cells can absorb biological matter instantly.

In the 2012 series of , Episode 13 is titled " Santana " (or "The Pillar Man"). It is the fourth episode of the Battle Tendency arc and focuses on Joseph Joestar's first encounter with an ancient, superhuman threat. ☀️ The Resurrection of Santana

Santana attempts to retreat into Stroheim’s body to hide from the sun.

Watch these fan reactions and recaps to relive the intense battle against the first Pillar Man:

The battle moves toward the surface as Joseph tries to expose Santana to direct sunlight.