Once I hit 30 I started getting 1 shot killed by players in Turnpike and Janus. Or, stunned and then hit repeatedly until dead. This made finally look into enhancements. After reading guides here, I did calculations:
The lack of a response leads me to think that my calculations are close enough. It means that it is essentially not possible for someone to function in the game unless they are very heavily supported by a guild or they want to spend around $600 USD for in game stuff.
I loved this game, so it is sad.