Kro'akoth
System: Pathfinder | SRD | Alignment: CE
The Fire Serpent
Pantheon: Nascent Demon Lords
Areas of concern: The forgotten, hidden agendas
Domains: Chaos , Evil , Fire , Trickery
Subdomains: Ambush , Deception , Demon (Chaos) , Demon (Evil) , Smoke
Favored weapon: Falchion
Symbol: The flaming head of a serpent, usually made of copper or red clay
Obedience
Pierce your flesh with red-hot metal barbs in the shape of serpent fangs; gain a +4 bonus on saving throws against fire.
Source: The Emerald Spire Superdungeon pg. 74