Complex sentence: In "Charmed, I'm Sure", it's revealed she turned him into a miniature rock figure; he saves himself from being crushed by whispering a "good reason" to Charmcaster.
Split into simpler sentences: In "Charmed, I'm Sure", it's revealed she turned him into a miniature rock figure. He saves himself from being crushed by whispering a "good reason" to Charmcaster.