Board Thread:Council of Arrowverse Wiki/@comment-9346948-20180119051714/@comment-3221148-20180120154121

Stryzzar wrote: Other DC wikis and wikipedia literally list red sunlight as a weakness for Kryptonians. So long as it reduces the combat ability, it should count. Bingo.

As for Status, while we aren't really sure about Eobard, past people should definitely be "Alive (as of year)". Even characters that should be dead tend to come up at times, like that 18th century League of Assassins member.