Chapters

Currently, you can read the novel at these sites.
This One is up to chapter 2000+ and translated:
https://lnmtl.com/novel/all-duties-mage
Beware some chapters are missing and the translations are not always correct. 
Recommendation translate the raws yourself.
These are the not updated but English:
http://gravitytales.com/novel/versatile-mage 
GravityTales holds the official translation licensing for the novels, any other websites are aggregators.
https://www.novelupdates.com/series/versatile-mage/
For Raws:
https://www.69shu.com/txt/19313.htm
https://www.lread.net/read/22990/
https://tl.rulate.ru/book/422
Category:Web-Novel
Category:Novel