3 archetypes, from Oozemorph to Overwatch.
Oozemorph · Oracle · Overwatch
ARCHETYPE
You have suffered from the deadly touch of an ooze or other amorphous creature, like a gibbering mouther or a shoggoth, and have come away changed. Alternatively, you might have been exposed to some alchemical accident involving experiments with oozes, such as those performed in the city of Grairond in Falutruneth. Parts of your body occasionally liquefy and threaten to slough off, and only through force of will can you keep your natural form intact. Your affliction is plainly supernatural in origin and distressingly permanent.
The Slithering, page 59.
ARCHETYPE
A mysterious force granted you divine magic and a curse.
Advanced Player’s Guide, page 152.
ARCHETYPE
With a stalwart mind and sharp eyes, you observe the battlefield as though you and your allies are pieces on a chessboard. By predicting dangers and hazards and offering your insights to your comrades, you win battles through keen observation and teamwork. Whenever there's a threat or opening, you're the first to point it out, and you're ready to help your allies directly when necessary.
As a group's overwatch, you might let the position go to your head. In such cases, you might think of yourself as the mastermind behind the chessboard and feel detached from your allies, thinking of them as little more than pawns on the field.
But more likely your role allows you to feel a deeper connection to your allies, and your coordination and heroics stand out most when you subsume your individual ego to serve the group's needs. In that case, you might think of yourself as a part of a functional whole—if your party was a single living body, you serve as the eyes, but that doesn't mean you're the brain, the heart, or other vital organs. Everyone has a crucial role to play.
Guns & Gears, page 50.