Maybe he should call off further experiments until checking in with Carissa or other domain experts, since he tried what felt like the most obvious avenue, and got a result that was very briefly like being on drugs.  Some drugs are dangerous, especially if you take a lot of them.  Or maybe that's just what happens if you try to talk to some weird god that wasn't already in Golarion, and Asmodeus, a known quantity, would still be safe to try to contact...

Maybe he should call off further experiments until checking in with Carissa or other domain experts, since he tried what felt like the most obvious avenue, and got a result that was very briefly like being on drugs.  Some drugs are dangerous, especially if you take a lot of them.  Or maybe that's just what happens if you try to talk to some weird god that wasn't already in Golarion; and Asmodeus, a known quantity, would still be safe to try to contact...