Lucifer, Doom Bringer

Swallows an enemy unit for a short period of time, digesting it and dealing minor damage. Each level decreases the cooldown and mana cost and gives bonus gold when the devoured unit is killed.

Level 1 - Gives 10 bonus gold.
Level 2 - Gives 20 bonus gold.
Level 3 - Gives 30 bonus gold.
Level 4 - Gives 40 bonus gold.

Cooldown: 30/25/20/15 seconds.

Level 1: 50 mana, 30 sec cooldown.
Level 2: 45 mana, 25 sec cooldown.
Level 3: 40 mana, 20 sec cooldown.
Level 4: 35 mana, 15 sec cooldown.

Blankets the ground in flames, damaging enemies and healing the Doombringer. Also increases Lucifer's attack and movement speed.
Lasts 20 seconds.

Level 1 - 1 damage/health a second, 10% increased speed.
Level 2 - 2 damage/health a second, 15% increased speed.
Level 3 - 3 damage/health a second, 20% increased speed.
Level 4 - 4 damage/health a second, 30% increased speed.

Cooldown: 10 seconds.

Level 1: 60 mana, 10 sec cooldown.
Level 2: 60 mana, 10 sec cooldown.
Level 3: 60 mana, 10 sec cooldown.
Level 4: 60 mana, 10 sec cooldown.

Dissipates a piece of a target's soul. Deals 250 bonus damage if the target's level is a multiple of a specific number or 25.

Level 1 - Deals 100 damage, 6 multiplier.
Level 2 - Deals 150 damage, 5 multiplier.
Level 3 - Deals 200 damage, 4 multiplier.
Level 4 - Deals 250 damage, 3 multiplier.

Cooldown: 8 seconds.

Level 1: 85 mana, 8 sec cooldown.
Level 2: 105 mana, 8 sec cooldown.
Level 3: 125 mana, 8 sec cooldown.
Level 4: 145 mana, 8 sec cooldown.

The target unit becomes inflicted with Doom. The afflicted unit cannot cast spells and will take damage per second.

Level 1 - Deals 40 damage per second. Lasts 12 seconds.
Level 2 - Deals 60 damage per second. Lasts 14 seconds.
Level 3 - Deals 80 damage per second. Lasts 16 seconds.

Cooldown: 180/150/120 seconds.

Level 1: 150 mana, 180 sec cooldown.
Level 2: 200 mana, 150 sec cooldown.
Level 3: 250 mana, 120 sec cooldown.