Soulhax pretty much kills John deader than dead. His resistance there is one of the few that's not on that level.
Mindhax is pretty much useless. He's resisted psychic attacks from Outsiders that are at least 5-D if not somewhere into Tier 1 territory, including an entire collective of them which were somewhere in that range.
Precog gets FOH'd by John's type 4 acausality. In fact, there's a character named Count Video who could see all possible futures (of which there are infinite) who failed to see the future in which John just walked up and kicked him in the dick really hard.
Which he doesn't usually do, but in this case he was aware of the fact that Count is only human physically.
Non-corporeality is one of the more mundane things John could take care of.
Depending on where and how he's sealed, John could probably use one of the negating aspects of his gift to reverse it. He's also been sealed in an alternate dimension before and managed to teleport an entire rainstorm into said dimension, so his gift will certainly be able to reach Terumi regardless of the seal. (The seal in question was so powerful that Razor Eddie's razor couldn't cut through it despite being able to cut through time, space and reality as well as make higher dimensional gods fear its capabilities)
Now, John has a lot (and I mean a
lot) of powers, but I want to point out beforehand that many of them are just applications of his third eye. Said third eye is where all of his feats of affecting higher-d beings come from, as well as many of his weirder feats like affecting non-corporeal ghosts, sunlight, and that woman who existed as every sexual desire. So he has a lot of abilities, but most of them are just the one power he got from
Lilith being used in different ways, if that makes sense.
I'll point out some of the stuff he can potentially do here once I get home.