Eventually. But kamados are long-lived grills, built upon cooking techniques that have seen thousands of years of use. Heating and cooling will expand and contract your ceramic, forming microcracks. Over time, frequent cycling can exacerbate them — and extreme temperatures can make this happen faster. That said, interior ceramic fireboxes have become more commonplace in the last few years; they’re designed to take the damage and spare your kamado. Models with interior fire boxes will last an incredibly long time.