User blog comment:Oknight/Rewatching Downtime with Evil Kaldur/@comment-68.49.85.193-20111114050359

Well.. we did see in "denial" that m'gann and kaldur are susceptible to extreme heat. But in "bereft" only kaldur seemed to be affected by the elements of the dessert. Its possible he could've been feigning his state to cover up a possible switch.

Or he could've just been away from water to long.