Fierce persecution of the Church
Sets Rome ablaze to divert attention from the empire's decline under his disastrous corrupt oversight and blamed that on the Christians. This started a widespread persecution of the Christians. They were tortured in public, some were st on fire while still alive.
He was vicious enemy of Christianity
Some scholars think that persecutions mentioned in the book of Revelation reflect conditions during his reign
This helped shape social consciousness by helping the missionary expansion of the early church.
It was a factor that helped in the rapid spread of the Christian Gospel after Pentecost.
It also did set the tone for the outlook of people who first believed the Gospel.
Hellenization also led to religious syncretism.