These are 3% of mobs' health
, but this damage is capped by the Blazing Aura ability.
Blazing Aura also has a maximum damage of 5,000.
Chicken (20) : 0.6 
Duck (20) : 0.6 
Cow (50) : 1.5 
Pig (50) : 1.5 
Spider (60) : 1.8 
Zombie (Village) (90) : 2.7 
Zombie (Caverns) (100) : 3 
Skeleton (100) : 3 
Mossy Skeleton (100) : 3 
Sheep (120) : 3.6 
Rabbit (130) : 3.9 
Creeper (160) : 4.8 
Wolf (250) : 7.5 
Wicked Dwarf (350) : 10.5 
Eye of the Cliffs (500) : 15 
Revenant Horror I (500) : 15 
Slime (600) : 18 
Slime Sheep (700) : 21 
Giant Slime (900) : 27 
Fire Envoy (1,400) : 42 
Heartigniter (1,500) : 45 
Crypt Ghoul (2,000) : 60 
Fenrir Packmaster I (2,000) : 60 
Wolf Spirit (6,000) : 180 
Howling Spirit (7,000) : 210 
Old Wolf (15,000) : 450 
Revenant Horror II (20,000) : 600 
Soul of the Alpha (32,000) : 960 
Fenrir Packmaster II (40,000) : 1200 
Golden Ghoul (45,000) : 1,350 
Revenant Horror III (400,000) : 12,000 5,000 
Fenrir Packmaster III (750,000) : 22,500 5,000 
Revenant Horror IV (1,500,000) : 45,000 5,000 
Fenrir Packmaster IV (2,000,000) : 60,000 5,000 
Revenant Horror V (10,000,000) : 300,000 5,000