Frost Nova is weird…It should have similar potential as Nova, yet it is way weaker. It also requires synergy from 2 skills that are way stronger: Blizzard and FO. It is very hard to justify why using frozen nova when you are investing in bz and FO. I would suggest making some changes to frozen nova so it would be a viable build.
Increase Frozen Nova’s initial damage by 50%
remove synergy from Blizzard and Frozen Orb
gain synergy from Shiver Armor: 15% per level
When was it ever great to begin with? 
It was likely meant to be a CC/teamplay ability that made it’s way from the ancient alpha stages of the game when the devs still intended to make it have far more strategic gameplay.
Until they just decided to let players pump one skill and oneshot everything.
a other d3 player request . freeze all monster for they dont move oh and add plz 50% more dps 
not similar
but it could be better than its actual state
Fnova has basically half dps of nova
“but with fnova you have cc”
but with nova you have full access to ES so both are great in survivability
so yes, i think Fnova could use a buff of lets say, +50% final dps, bc its much easier to build than a novaES sorce
good luck freezing any monster in hell difficulty
totally agree. I just wish there’s an option between nova nad Fnova for different favor. and this is why I suggest moving the synergy to armor instead of blizzard and FO
i dont know about that
with this it would have full access to ES with no need to stack -cold% or use infinity
so i think ES should remain a nova feature
im pro moving one of its synergies to any cold armor
The biggest problem Frost Nova has compared to Nova is that Nova only has one synergy, while Frost Nova has two.
Like you said, make Shiver Armor the synergy to Frost Nova instead of Blizzard and Frozen Orb. That alone would make Frost Nova viable, though still lackluster in damage.