DMSO is on pg 188 of
Stolen Souls which is a book I only have in hard copy so I'm ill-inclined to type the entire passage. However, the actual crunch of the drug is very short and sweet:
"Any compound mixed with a dose of DMSO is deployable via the Contact vector (see pg 408,
SR5)."
The rest of the passage discusses the fictional attributes of the chemical. I'm not familiar enough with chemistry to know what the real-world effects of DMSO would be, but I never imagined they'd be what the fictional game says they are. Take it for what it is
Blight is from a brand new book, and I'm hesitant to cite the passage in its entirety for fear of running afoul of the mods. However, the crunch is as follows:
Blight (classified as a toxin)
Vector: Injection, Special
Penetration: 0
Power: 12
Effect: (cut and paste) "Awakened injected with blight lose
their connection to the manasphere for
[12 – (Body or Magic, whichever is higher)
hours, minimum 1 hour]. During this
period, the target loses the ability to perform
any task associated with magic. Adept
powers are turned off, spells cannot be
cast, etc."
It also has a passage in its full description that was the source of the conflicting points of view in the other thread:
"When combined with DMSO, blight gains a
contact vector. When an Awakened character is
exposed to this combination of DMSO and blight,
they must make a Drain Resistance test in place of
a Toxin Resistance test vs. the power of the toxin.
Damage taken is treated as Stun Drain. Any spirits
exposed to this combination cannot apply immunity
to normal weapons to the damage dealt by
these weapons."
And even though an asterisk is never used in the blight entry, there's an *'d post-script that explains that dual natured victims injected by the drug also lose -4 dice to all actions.