For use with Umbral Blade.
While minmaxing Umbra requires removing Umbral slots, this is an alternative for those who don't want to. It will last long enough for more casual players. In other words, this is a casual friendly build.
Tharros Strike to strip armor is important. [Furious Javelin]'s bonus is multiplicative with the damage from [Exalted Blade], meaning it is much stronger than adding another strength mod. Maugmented is to fill out the last of the missing strength for Tharros Strike.
What Archon Shard should you use? An Amber for Casting Speed helps greatly overall, especially because of Javelin.