Reduce the Cooldown of Steam Surge from 18 to 12 seconds. Increase the duration of the water field to 4 seconds while reducing the heal per interval by half.
Reduce the Cooldown of Mud Slide from 20 to 15 seconds.
Increase the blind duration of Ashen Blast from 3 seconds to 5. Increase the stack of burn from 1 to 2.
Increase the radius of Grinding Stones to 240.
Decrease the Cooldown of Updraft from 40 seconds to 30 seconds.
Reduce the cast time of Churning Earth from 2 seconds to 1.5 seconds.
Replace the skill "Fire Shield" with "Fire Fissure" And the functionality of this skill is a 900 range tracking skill that hits foe for x damage. Apples x amount of burning for y seconds and applies 1/2 seconds of daze.
Burning Retreat's cooldown is increased to 30 seconds. This skill now has a charge of 2.
Replace the skill "Magnetic Aura" with "Magnetic Armor" And the functionality of this skill is a reflect as it is now and a block for three hits. If the armor is not broken, it will push away nearby (600 range) foes 240 units.
Replace "Shocking Aura" with "Static Armor" And the functionality of this skill is the same as Shocking Aura, but it applies 3 stacks of Vulnerability for each time you are hit.
Replace "Frost Aura" with "Ice Armor" And the functionality of this skill is the same as Frost Aura, but you are healed for a small amount each time you are struck. You also have -10% condition damage reduction.
Reduce the cooldown of Arcane Power from 45 seconds to 30.
Increase the charge of Arcane Blast from 2 to 3.
Increase the charge of Arcane Wave from 2 to 3.
Reduce the cooldown of Cleansing Fire from 40 to 30 seconds.
Change the functionality of Conjure Weapons to now act as a secondary weapon for its duration, allowing the elementalist to swap to his or her conjured weapon at any point and as many times as he or she pleases. The cooldown on the swap is 10 seconds when swapping to a Conjured Weapon, but only a 5 second cooldown when swapping to your main set.
Increase the duration of certain conditions for Glyph of Elemental Power. Burning increased from 3 to 4 seconds. Vulnerability increased from 5 to 8 seconds. Bleed increased from 6 to 8 seconds. Stack of bleeding from this skill increased from 1 to 2.
Reduced the cooldown of Tornado from 90 to 60 seconds.
Reduced the cooldown of Conjure Fiery Greatsword from 180 seconds to 60 seconds.
Unravel: Changed the functionality to allow a full attunement on the next two swap attempts, instead of a 5 second duration on a full attunement.
Conjurer: Gain a boon on an interval while wielding a conjured weapon based on the attunement of the weapon. Conjure Flame Axe: Gain 3 stacks of might for 5 seconds on a 3 second interval. Conjure Frost Bow: Gain 1 second of Resistance on a 3 second interval. Conjure Lightning Hammer: Gain 2 seconds of quickness on a 3 second interval. Gain 3 seconds of protection on a 3 second interval.
One With Fire: Fire Shields you grant have increased duration and grant might. Granting any other aura grants reduced might. Cantrips grant fire aura on cast to allies near you (360 radius).
Inscription: Gain a boon while casting a glyph based on your attunement. You are now able to cast 2 glyphs of different attunements. Glyphs have reduced recharge. (This means you can have glyph of elemental power casted in earth and that go on a 20 second cooldown, then swap to air and cast that and all GoEP's go on a 20 second cooldown.)
Reduced the cooldown of Tempest Defense to 35 seconds.
Serrated Stones: Increased the damage modifier of this trait from 5% to 10% to match a similar trait in fire. Increased the damage of your bleeding by 20%.
Rock Solid: Grant stability when attuning to earth. Granting stability now stunbreaks nearby allies. (240 radius) (This not only would mean one would stunbreak when attuning to earth, but one would also stunbreak on stability applications of stances with weaver. Stability duration increased from 2.5 to 6 seconds.
Arcane Prowess: Gain might AND fury when switching attunements. (might is the same as it is now and fury is the same as it was before)
Weaver: Recharge time on attunements changed from 4 seconds to 3 to further promote a smooth gameplay experience and so allow greater diversity for combinations (like comboing Riptide with Earthern Vortex and Flame Uprising to execute two finishers in one field, like engineer does with its heal)
(I left tempest out because quite frankly, there's so much I'd change about it that it'd warrant its own post)