Rune Master GF Barb?

Has anyone ever attempted using a

Rune Master with 5 sockets, filled with

Lem runes, to build a WW or other style GF barbarian for hell Trav runs? I know many builds use dual 6

Lem

Phase Blade, but I was wondering with the increased damage of

Rune Master, if it would not be a viable option as well. I know there will be repair costs compared to the

Phase Blade, but on a GF barb, I don't think gold costs are much of a concern. More or less looking at a budget build for a GF barb to do Hell Trav, and being as though I have two 5 socketed

Rune Master, I was just curious if anyone here had ever tried this method before.

Yeah, shouldn't that be fine in Principle?

I only have two comments on the WW barb:

Phase Blades are also the fastest attack speed, to get to the WW breakpoints. The

Rune Master might have an effect on your overall WW IAS. You should check that first.

Additionally, Cannot be Frozen is not something that Trav min-maxers seem to want on their WW barb, as the WW attack speed is not affected by Frozen, but the movement is - meaning you can WW the Council easier when you're slowed. Half Frozen Duration is usually preferred for that reason.