No video for this one, but here is my (current) Rune loadout for Dagrund, the purple dwarf.
As a healer, in my opinion, he is among the top 3 in the game, with the other two being Solaris & a FA Ember respectively.
He is able to grant 25% attack to casters (Shade/Zomm,) grant energy to YOUR allies, AND (IF) you get his epic to proc your team will be at full health.
Oh yeah, he doesn’t miss either.
With that being said, his main job is to heal/grant energy and stay alive.. so here is what I believe to be one the most useful builds;