Written by Shiggins
Rowing my boat.
I was originally going to title this "Attack on Viking", but then I discovered that this series was actually adapted by Wit Studio, the studio behind Attack on Titan's colossal takeover, and I decided against it since it just made me look like a smug jackass. The reason I'm telling you this is because I want it on record that Vinland Saga is as beautiful, awesome and worthy of your time as Attack on Titan, and I figured that out all myself. In the end, I still sound like a smug jackass!
Note: This is a quick mostly-spoiler free article about the first three episodes, and not a look at the series as a whole. However, there are inevitably some light spoilers ahead.