Duriel by Dragon Lord

Level 1

1. From the Shadows Q : You gain 20% movement speed for 3 seconds after charging with Demonic Dive.

2. Monstrous Dive Q : Demonic Dive deals 100% more damage to non-heroic enemies.

3. Duriel's Shell : Every 5 seconds you gains 50 physical armor that reduces the damage of the next 2 basic attacks by 50%. When a charge is consumed you spawn a maggot which has low health, low damage and last for 5 seconds.

4. Feast : You heal for 150 HP when you kill an enemy minion

Level 4

1. Savage Bashes W : Quest : Attack enemy heroes 35 times while Torture Obsession is active.
Reward : You gain 30% attack speed and move 10% faster while Torture Obsession is active.

2. Maggot Swarm : Passive : Every 4th basic attack spawns a maggot which deals low damage and has low HP for 5 seconds.
Quest : Spawn 30 maggots.
Reward : All maggots heal you for 30% of the damage they deal.

3. Devilish Initiation Q : Quest : Hitting enemies with Demonic Dive increases its damage by 5 per enemy hit to a maximum of 30 enemies ( 150 damage increase ).

Level 7

1. Smiting Strike W : The final strike of Torture Obsession stuns the target for 1.25 seconds.

2. Killer Instincts Q : Increase the maximum range of Demonic Dive to 9.

3. Blood Freeze E : Quest : Slow enemies with Unholy Brisk for 60 seconds.
Reward : Unholy Brisk now slows enemy attack speed by 30%

Level 13

1. Parasite Hive E : 3 maggots spawn on the activation and expiration of Unholy Brisk. They deal low damage, have low HP and last 5 seconds.

2. Chilling Winds E : You gain 40 spell armor while Unholy Brisk is active.

3. Slow Pain D : Blood Thirst deals an additional 1% of his targets Max HP over 3 seconds.

4. Recklessness Q : Demonic Dive deals 200 extra damage if more than one enemy is hit.

Level 16

1. Music of their Screams : Duriel's basic attacks deal 30% more base damage to enemies below 45% HP.

2. Raging Stab : Active : Activate to deal 10% of your maximum HP as damage to yourself and cause your next basic attack against a hero to deal double that damage.
(50 seconds cooldown )

3. Rapid Reaction D : After using an ability your next 2 basic attacks occur instantly and deal 4% of the targets Max HP per attack instead of 3%.

4. Painful Presence E : Unholy Brisk deals damage equal to 0.5% of maximum HP to enemies around you when it is active.

Level 20

1. Agony Addiction ?R2 : For the duration of Beauty of Pain Duriel converts all the damage he takes into damage over time and his basic attacks deal 20% of the damage he is taking.

2. I'm Your DOOM ! R2 : Increase the mark duration of Screaming Echoes by 0.5 seconds and marked enemies are slowed by 40% for the duration.

3. Maggot King : Active : activate to deal damage to yourself equal to 25% of your maximum HP and causes 7 maggots to erupt from you. Maggots deal low damage, have low HP and last 5 seconds.
Passive : Activate instantly on death.
(75 seconds cooldown)

4. Killing Obsession W : Torture Obsession will stun the target even if he is not in contact with a wall.