Unless he is turning into something completely intangible, does it really matter? Unless we are the same, I'm sure he'll burn, at least.

[ don't ask how it is that he knows that he himself won't burn. ]

Does your venom have particular properties? I haven't yet gotten to the point where I've been able to look into the capability of other phenotypes. Aside from having a common thread of 'spider' you are completely different from the other arachne I've dealt with, although I'm certain you are perfectly potent..