So a few days ago I met some man with a cross necklace around his neck he said he was a Christian and asked me to convert. So I decided to do a little research and it turns out if Constantine hadn't adopted Romanism (SolInvictuss GermanicPolytheism syncretism) then it could have taken hold. Your goal is with a POD no earlier than 400 to convert the Germanic tribes to Christianity. If it is to ASB then you can also convert the Roman empire