Attunement Overloading
Overload Fire: Summons a fire tornado that continuously burn nearby enemies while granting allies might. Finishing the channel will leave the fire tornado in the Tempest’s location for a short duration.
Overload Water: Builds a large water bubble that regenerate and cleanse nearby allies. The water bubble will pop at end of the channel, granting nearby allies a large heal.
Overload Air: Creates a nimbus cloud that continuously strike at nearby enemies. Completing the channel will leave the lightning field at Tempest location to damage nearby enemies.
Overload Earth: The Tempest will ride the earth to grant protection to nearby allies and cripple to nearby enemies. Once the Tempest returns to the ground they will deliver a massive immobilizing blast.
Warhorn Skills
Grants 8 new abilities over 4 attunements.
Example of air attunement skill: Summon a cyclone that will pull enemies to a location and unleash lightning orb projectiles.
Example of fire attunement skill: Wildfire skill will summon a continuously growing fire field that will damage and burn nearby enemies.
Example of water attunement skill: Summon a regenerative moving water field that you can blast for additional healing.
Shouts
Shouts will be in the form of the healing skill, 4 utilities and the elite skill.
Wash the Pain Away! (Heal) – heal allies and remove conditions from them. Heal allies for the same amount you are healed for (outside of the initial heal when activating the skill)
Feel the Burn! (Utility) – Cause growing flames to erupt from that location.
Eye of the Storm! (Utility) – Call the storm on the Tempest, granting stun break and superspeed for the Tempest and nearby allies.
Aftershock! (Utility) – Create a powerful aftershock that will cripple and then immobilize enemies.
Freeze! (Utility) – Chill and damage nearby enemies.
Rebound! (Elite) – Cause nearby allies to have 25% faster skill recharge.
Minor Traits
Singularity – Unlock the ability to overload your attunement
Hardy Conduit – Grant you protection when you overload an attunement. Can be affected by a new trait called Earthen Proxy that increase the effect of protection from 33% to 40% damage reduction.
Speedy Conduit – Gain 33% movement speed while overloading an attunement. Can be coupled with a new trait called Lucid Singularity, which heal you every second and reduce duration of inhibiting conditions by 100%.
More Information:
http://dulfy.net/2015/07/22/gw2-elementalist-tempest-elite-specialization-info/#more-126132
http://www.tentonhammer.com/news/guild-wars-2/guild-wars-2-tempest-revealed