[senrath]

Interestingly enough, the Cryokineticist actually has slightly stricter entry requirements. And taking both requires the Ordered Chaos feat (which the build uses) or similar.

Pyro:
Alignment: Any chaotic.

Skills:
Concentration 8 ranks, Craft (alchemy) 1 rank, Knowledge (psionics) 2 ranks.

Psionics:
Must have a power point reserve of at least 1 power point.

Special:
Must have set fire to a structure of any size just to watch it burn.

Cryo:
Alignment: Any lawful.

Skills:
Concentration 8 ranks, Craft (alchemy) 1 rank, Knowledge (psionics) 2 ranks.

Psionics:
Able to manifest the energy emanation power.