Wilfred Fizzlebang by eraspirn

LEVEL 1

IMPEDING DOOM: Direct damage of your Hand of Gul'dan recudes its' cooldown by 1 second for each enemy hit.

IMPROVED DREADSTALKERS: Call Dreadstalkers now also summons 2 Wild Imps
DEMONWRATCH: If your demons are affected by your Demonic Breath their damage is increased by 70% for 2 seconds.

LEVEL 4

HAND OF DOOM: Hand of Gul'dan direct damage now also deals 100% damage over time to all enemy affected.

MANNOROTH'S FURY: Increases the radius and direct damage of Hand of Gul'dan by 100%.
DEMONIC CALLING: Increaes damage of Call Dreadstalkers by 50%. When your Dreadstalkers deal damage to enemy heroes you have chance to gain 1 Soulshard.
AGONY: Demonic Breath deals additional 50% damage over time. If target dies from this damage cooldown of Shadowflame resets.

LEVEL 7

DEMON SKIN: If Demonic Breath hits the enemy you receive 50% less damage for 3 seconds.
SOUL LINK (Passive): 20% of all damage you take is taken by your demons instead.

LEVEL 10

DEMONBOLT:Draws energy from your demons and launches a ball of demonic energy at the target dealing moderate amount of damage. Damage is increased by 20% for each demon you have active. Using this spell causes all your active demons to die. Generates 1 Soulshard

DEMONIC EMPOWERMENT: Empowers your active demons with dark energies, increasing their attack speed and health by 50% for 8 sec,

LEVEL 13

BURNING RUSH: All your demons deals 30% more damage to enemies under 50% of their maximum health.
IMP-LOSION: After 12 seconds your Wild Imps run towards the enemy target, prefering heroes or buildings and violently explode on impact.

LEVEL 20

CHAOSBOLT: Your Demonbolt has chance to split into smaller bolts and hit enemies on its path between you and your primary target. Those bolts deal 50% less damage.
SHADOWY INSPIRATIONS: Demonic Empowerment refreshes the duration of your active demons and increses it up to 30 seconds.
SOUL HARVEST: Increases your damage and your demons' damage by 20%. Lasts 10 sec, increased by 2 sec for each enemy hero attacked with your basic abilities and your demons
POWER TRIP: Damage done by your demons recudes cooldown of your basic abilities by 1 second per each demon and has 50% chance to generete 1 Soulshard