Complex sentence: One Night she heard some strange noises coming from the altar box of the Christ, the crackling of the wood was so much evident and she became astonished to confirm that the box was broken by the crucifix that was growing up inside.
Split into simpler sentences: One Night she heard some strange noises coming from the altar box of the Christ. The crackling of the wood was obvious and she became astonished to confirm that the box was broken by the crucifix that was growing up inside.