All this would likely do is make crit the best stat for ele in PvP. If it was, then we could get over 30% chance to proc off flameshock, which is the case now. It would be more instant cast lava bursts and more EB's and Fulmination crits...
Elemental has been a burst and RNG spec for as long as I can remember. When things proc its great, when they don't they don't do much damage. I can't tell you how many times I've got a warrior or other class down below 25% and just couldn't finish him due to no procs and no crits on LB or fulmination. Other times I can take someone down from 40-50% to dead before they even know what hit them.
I admit it is probably extremely frustrating fighting a shaman with 4+ flame shocks rolling just instant casting LvB, but most of this happens in random BGs, or sub 1800 arena. If you're in a bg and an Elemental is spreading flame shock like the plague yeah, you will likely have a rough game. Try telling your healers to dispel or people who can purge to purge their procs.
There are ways to counter a lot of elementals burst. Purge/dispel lava surge procs. Dispel flame shock. And purge/dispel SWG if the giant elemental ascendance is chasing you around a pillar with your tail between your legs. I'm not saying you can counter everything or even dispel everything, but stop acting like there is nothing that can be done. Most teams I play against have either a priest or shaman on their team so it can and should be done. However, I can't tell you how many times (2K+ mmr) that teams, or healers I should say, will let me get 4 flame shocks rolling w/o even trying to counter it. Also If the shaman is rolling 4+ flame shocks then they likely aren't using earth shock or frost shock, not to mention no dispels from the other team. Healers also tend to forget things like pets, gateways, guardians, totems, etc.. that a shaman can flame shock for more procs.
EotE is a random proc and is mostly to blame for insane burst. Most of the times the procs get wasted however, since getting a proc at high health doesn't do much. EotE doesn't have a ICD and there is no way to predict when it will go off. You could get it to proc off a LB only giving you an extra few K damage, or you could get it to proc off a crit EB giving you MASSIVE damage. RNG is RNG. Nerf EotE anyways, I prefer Ancestral Swiftness myself
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I agree burst is stupid this expansion and yes Elemental can do some of, if not the most burst in the game. It's also stupid the amount of instant casts in the game now. The amount of gap closers melee have now is also stupid. The game needs to be taken back a step, but it doesn't seem like Blizzard is at a stage to do this yet. Whoever they nerf is going to get fucked (either casters losing their instants or melee losing their mobility). In a perfect world both would be toned down together, but we all know that blizzard will never get that right. With out the instants casters can't do much damage. With out all the gap closers melee can't hardly stick to a target.