Level 1
Consume - Your combustion last for 1.0 seconds longer.
Concussion blast - Airblast knocks back 20% further.
Block - Periodically reduces the damage received from Hero basic Attacks by 20%. Stoed 2 charges.
Regeneration Master - Collecting Regeneration Globes permanently increases Health regeneration by 1.5 per second.
Level 4
Envenom - Activate to poison an enemy hero, dealing 209.88 (+29.88 per level) damage over 10 seconds.
Pepper Spray - Scorch shot also blinds the next basic attack by the target.
Shockwave - Air blast also deals 30 (+9.5 per level) damage.
Envelop - Flamethrower has increases range - which deals deals damage at a slower rate than normal.
Level 7
Puncturing shot - Scorch shot now affects all targets along its path at a 50% damage penalty.
Fire axe - Your auto attacks deal 50% more damage to targets afflicted by combustion.
MMMPHHH - Activate to heal 35% of your max health over 6 seconds.
200 seconds cooldown - this is reduces by 1 second for every tick of combustion against an enemy hero.
Maul - Your auto attacks deal 100% more damage to structure.
Level 13
Intense Flame - Your flamethrower deals has a higher application rate within a short range.
Blast Furnace - Active to apply combustion to all nearby enemy heroes within a medium range.
40 second cooldown.
Spell Shield - Upon taking ability damage, reduce that damage and further ability damage by 50% for 3 seconds. Can only trigger once every 30 seconds.
Relentless - Reduce the duration of silences, stuns, slows and roots against your Hero by 50%.
Level 16
No Escape - Your flamethrower now slows all enemies by 30% for 1.5 seconds.
Afterburner - Your combustion also deals 10 (+7 damage per level) to all enemy targets in a small vicinity around the target for every tick of combustion.
Blood for Blood - Active to deal 10% of target enemy hero's Max Health and heal for twice that amount.
Detonate - Scorch shot now knock away all enemies around the target/ the place it terminates.
Level 20
Kritz - Phlogistinator now deals triple damage for the first 4 seconds.
Annihilate - Armageddon now stuns for 0.75 seconds.
Bolt of the storm - Activate to teleport to a nearby location.
PYROLAND - Activate to enter Pyroland - You take no damage during this time but after leaving, 50% of the damage is dealt to your over 8 seconds.
80 second cooldown.
Heroes of the Storm Build Guides
Too bad they wont be in Hots.