Bold of you too assume it would get more development time. May i present to you [almost every other spec in the game] which Blizzard spent a total of 5 minutes on during all of Shadowlands beta.
Memes aside though. Maybe you are right. Frost requires a ground up overhaul down to the small details like mastery, for 2h to ever really work. The spec has had severe scaling issues from it’s introduction in WotLK and fell off a cliff pretty much after the first major patch of each expansion.
But they almost got it right this time with Obliterate finally scaling with crit and mastery, albeit still badly.
Here is an idea.
What if Killing Machine was a short cd ability (~30 seconds) rather than a passive? Activating it would cause your next few (~1-3) Obliterate and Frost Strike to always crit. And auto attack critical hits would lower the cooldown of Killing Machine by X seconds.
Or alternatively, increase the damage of Obliterate and Frost Strike based on your crit chance. Much how like Combustion work.
Or simply have Obliterate crits grant extra runic power to fuel more Frost Strikes.
Then we just need to fix the mastery scaling. Live Killing Machine kinda does this already, but does so in a way that make Obliterate hit like a wet noodle outside of Killing Machine procs. For this reasons, i don’t like the Combustion mechanic i mentioned above either.
Maybe we could split Obliterate into 2 parts, like Scourge Strke? That would work but is kinda boring. Or how about Frost Strike adds a portion of it’s damage dealt to your next Obliterate? Buffing Frost Strike through mastery then indirectly increases the damage of Obliterate. But this could lead to Obliterate hitting like a wet noodle again outside of being buffed by Frost Strike, so doesn’t solve anything.
I think frost just needs a new mastery.
Maybe the buff mechanic i just mentioned could be our mastery, but have it apply to Obliterate and Frost Strike. One buffing the other by a portion of the formers damage (based on mastery percentages) dealt. No, that would have no effect in AoE situations.
How about this. Your Rune spending abilities deal X% more damage and generate Y% more runic power.
Very boring, but solves pretty much every issue, no? This allows for Obliterate to hit really hard, buffs our AoE (since they all rune spenders, except for breath) and simultaneously allows for a spammy Frost Strike spec.