His attempt to light it on fire will cause the shrine to blaze brightly for a few seconds, as though there are invisible candles that sit upon it. The ground around them will shake. Then the flames will abruptly die.

Trying again after the shrines bleed will result in the same thing. However, if he revisits the shrine after the second cracked shrine has been investigated and looked into, the all the shrines will have transformed, revealing the candles that his fire lit previously.