Use with [Kullervo] subsume ability. Swap [Primed Smite Grineer] with whatever u want if u dont like smite mods. As a side note, this weapon fucking sucks for the heavy attack. It's a gimmick that has no damage in actual steel path missions and takes way too much time to kill an enemy. The reason why I'm even building this is cause I can use it with the heavy blade dominion skin and get a comically large sword and thats just fucking cool asf to me. At this point just build for light attacks. Since I'm using this with the new [Wisp Prime], I don't need attack speed. On ur riven, anything with crit dmg and cold is fine as using cold on riven frees up a slot to put in a faction mod or stuff like [Weeping Wounds]. Just roll and then build the weapon based around what u got. Stance is preference.