Iomedae and Asmodeus interactions

[Wolfweress]

I'm curious about the history of these two. What particular event changed made her more lenient? Was it always this way, as there is no mention in the Inner sea world guide. One the web it says she refuses to talk with all fiends but Amodeus.

[Snow_Tiger]

They both have common enemies (demons in world wound/Mendev), rovugug,

also i would assume some stray followers elsewhere that generally fight with chaotic monsters. But the first two or more relevant/important