Level 1:
Flame Momentum: Increases Flamestrike radius by 30%
Fel Infusion: Each time Living Bomb deals periodic damage, Kael'thas heals for .25% of his maximum health.
Mana Addict:
*Quest: Gathering a Regeneration Globe increases Kael'thas' maximum Mana by 25.
*Reward: After gathering 15 Globes, Kael'thas can activate Arcane Barrier to gain a Shield equal to 100% of his maximum Mana for 3 s
econds. Cooldown 45s.
Level 4:
Nether Wind: Increases Gravity Lapse's range by 30%. When Gravity Lapse hits an enemy Hero, reduce World in Flames cooldown by 1 second.
Sunfire Enchantmen: Reduce cooldown of World in Flames by 10s. Activating World in Flames restores 20% of Kael'thas' maximum mana.
Energy Roil:
*Quest: Hit 15 Heroes with Gravity Lapse
*Reward: Reduce Gravity Lapse's mana by 25 and it's cooldown by 3 seconds
Level 7:
Burned Flesh: When Flamestrike damages 2 or more Heroes, they take additional damage to 8% of their maximum Health.
Sun King's Fury: Living Bomb effect persists for 3 more seconds after explosion but deals no damage.
Gravity Wave: Gravity Lapse hits 1 more target.
Level 13:
Arcane Disruption: Gain 20 Armor for 3s and burn nearby enemies for 200 ( +4% per level) damage when stunned or silenced. Can only trigger once every 30 seconds.
Flash Point: Flamestrike does 20% more damage to enemies in the center.
Pyromaniac: Kael'thas can now apply 3 Living Bombs while under Burning Hand's effect.
Innate Talent: Gravity Laps now stuns for 1,5s unconditionally and apply an untalented version of Living Bomb.
Level 16:
Fury of the Sunwell: Hitting a Hero with Flamestrikes applies Burnout status for 15 seconds. Hitting Burned out target with consecutive Flamestrike reduces its cooldown by 1.5s (up to 6 second reduction) and increases Flamestrike damage by 10% (up to 40%).
Arcane Dynamo: Activating Burning Hand grants 150% Attack Speed. Lasts 3 seconds or 3 Basic Attacks. Also each time Living Bomb deals periodic damage World in Flames' cooldown is reduced by 1 second.
Pyroblast: After 2 seconds, cast a slow-moving fireball that deals 350 (+ 4% per level) damage to an enemy Hero and 100 (+ 4% per level) damage for each remaining second of Living Bomb. Removes Living Bomb effect upon impact.
Hot Streak: World in Flames deals 30% more damage to Heroes stunned by Gravity Lapse.
Level 20:
Rebirth: Increases Phoenix duration by 100%. You may order the Phoenix to move to a different location once while the Phoenix is alive.
Collective Responsibility: Banish can now spread to a nearby enemy Hero every 2 seconds.
Master in Flames: Increase Kael'thas auto attack range by 1. Burning Hand now has 2 charges.
Flamethrower: Increases the cast range of Flamestrike by 40%.
Heroes of the Storm Build Guides
Banish an enemy hero for 10 seconds, slowing their movement speed by 30% and lowering Spell Armor by 40, increasing all Ability damage taken by 40%. While banished, the targeted enemy Hero cannot auto-attack, but can cast Abilities.
Although i will say, 10 seconds seems to be a bit long for such an ability. Again, will take another look tomorrow at the talents. Liking what i see so far! :)