Board Thread:Speculation House/@comment-27883360-20160305074527/@comment-128.151.150.17-20160401133518

Personally I'd hope that Grimm aren't actually immune to it, but knowing their natures, it's possible. Also, although I don't see it too often in the series I've watched, somehow it's easy for me to imagine a poison user having low stamina despite being immune to poison.