Info
Damage over time (DoT) is a condition that causes the affected unit to constantly take damage until the effect expires, is dispelled Dispel Removable buffs Removable debuffs A dispel is the term used for a forced removal of status effects. Dispels usually come together with other mechanics and are rarely seen as 
, or the target moves out of range. Damage is dealt at the end of each interval, the first of which begins when the spell lands. Some spells come with an initial damage, which may or may not be equal to the periodic damage.
Notes:
Initial Damage: Many DoTs start immediately upon impact. The initial damage in this case is the same as damage per instance. Some DoTs have different initial damages.
Interval: Time between instances in seconds.
Damage per Instance: Damage of each tick after the initial damage.
Damage Duration: Duration from start to the last instance of damage. In many cases this is shorter than effect duration, especially ones that start immediately.
Number of Intervals: Generally equals Damage Duration / Interval. Does not include initial damage.
Max Total Damage: Generally equals Initial Damage + Damage per Instance ℂₗ Number of Intervals.
Abilities that deal damage over time
- Initial Damage: 0
Interval: 1
Damage per Instance: 15/20/25/30
Damage Duration: 16
Number of Intervals: 16
Max Total Damage: 240/320/400/480 - Initial Damage: 30/50/70/90
Interval: 1
Damage per Instance: 30/50/70/90
Damage Duration: 4
Number of Intervals: 4
Max Total Damage: 120/200/280/360
Stops dealing damage if the target moves 740 range away from the mark at any point during the initial debuff. - Initial Damage: 0
Interval: 1
Damage per Instance: 12.5/20/32
Damage Duration: 8/9/10 (
17)
Number of Intervals: 8/9/10 ( 17)
Max Total Damage: 100/180/320 ( 212.5/340/544)
Explosion damage was not included. - Initial Damage: 7.5/15/22.5/30
Interval: 0.5
Damage per Instance: 7.5/15/22.5/30
Damage Duration: 6
Number of Intervals: 12
Max Total Damage: 97.5/195/292.5/390
The effect is muted if another enemy unit is within a 225 radius. - Axe Hero Strategy Counters Equipment Gear Responses Sounds Lore Old Abilities Changelogs Known Bugs Axe 25 + 2.8 20 + 2.2 18 + - Battle HungerInitial Damage: 0
Interval: 1
Damage per Instance: 16/24/32/40 ( 116/124/132/140)
Damage Duration: 10
Number of Intervals: 10
Max Total Damage: 160/240/320/400 ( 1160/1240/1320/1400)
Stops dealing damage if the target has killed any unit. - Initial Damage: 0
Interval: 1
Damage per Instance: 20
Damage Duration: 4/5/6/7
Number of Intervals: 4/5/6/7
Max Total Damage: 80/100/120/140 - Initial Damage: 100/155/215 ( 155/215/270)
Interval: 1
Damage per Instance: 100/155/215 ( 155/215/270)
Damage Duration: 4 ( 6)
Number of Intervals: 4 ( 6)
Max Total Damage: 500/775/1075 ( 1085/1505/1890) - Initial Damage: 0
Interval: First interval is 0.4, the rest are 0.5
Damage per Instance: 5/15/25/35
Damage Duration: 18 ( 26)
Number of Intervals: 37 ( 53)
Max Total Damage: 185/555/925/1295 ( 265/795/1325/1855) - Initial Damage: 0
Interval: 1
Damage per Instance: 25/30/35/40
Damage Duration: 4/5/6/7
Number of Intervals: 4/5/6/7
Max Total Damage: 100/150/210/280 - Batrider Hero Strategy Counters Equipment Gear Responses Sounds Lore Old Abilities Changelogs Known Bugs Batrider 23 + 2.7 15 + 1.5 24 + - Flaming LassoInitial Damage: 0 ( 50)
Interval: 0 ( 0.5)
Damage per Instance: 0 ( 50)
Damage Duration: 0 ( 3/3.5/4)
Number of Intervals: 0 ( 5/6/7)
Max Total Damage: 0 ( 300/350/400) - Clockwerk Hero Strategy Counters Equipment Gear Responses Sounds Lore Old Abilities Changelogs Clockwerk 26 + 3.2 13 + 2.3 17 + 1.3 Level Base - Battery AssaultInitial Damage: 20/45/70/95
Interval: 0.7
Damage per Instance: 20/45/70/95
Damage Duration: 10.5
Number of Intervals: 15
Max Total Damage: 320/720/1120/1520
Not in the form of a debuff. - Initial Damage: 50
Interval: 0.5
Damage per Instance: 50
Damage Duration: 1/1.5/2/2.5 for heroes, 9.5 for creeps
Number of Intervals: 2/3/4/5 for heroes, 19 for creeps
Max Total Damage: 150/200/250/300 to heroes, 1000 to creeps - Crystal Maiden Hero Strategy Counters Equipment Gear Responses Sounds Lore Old Abilities Changelogs Crystal Maiden 16 + 2 16 + 1.6 16 + 2.9 Level - Freezing FieldInitial Damage: 0
Interval: 0.1
Damage per Instance: 105/170/250 ( 170/250/310)
Damage Duration: 10
Number of Intervals: 100
Max Total Damage: 10500/17000/25000 ( 17000/25000/31000) - Initial Damage: 0
Interval: 0.1
Damage per Instance: 3/5/7/9
Damage Duration: 25
Number of Intervals: 250
Max Total Damage: 750/1250/1750/2250 - Initial Damage: 14/20/26/36
Interval: 1
Damage per Instance: 14/20/26/36
Damage Duration: 7
Number of Intervals: 7
Max Total Damage: 112/160/208/288 - Death Prophet Hero Strategy Counters Equipment Gear Responses Sounds Lore Old Abilities Changelogs Death Prophet 17 + 2.6 14 + 1.4 23 + 3 Level - Spirit SiphonInitial Damage: 0
Interval: 0.25
Damage per Instance: 3.5 + 0.25%/0.625%/1%/1.375% of max HP
Damage Duration: 6
Number of Intervals: 24
Max Total Damage: 84 + 6%/15%/24%/33% of max HP - Initial Damage: 0
Interval: 0.25
Damage of each Instance (Level 1): 2/5/7/10/12/15/17/20/22/25/27/30/32/35/37/40/42/45/47/50 (/52/55/57/60/62/65/67/70)
Damage of each Instance (Level 2): 3/6/9/12/15/18/21/25/28/31/34/37/40/43/46/50/53/56/59/62 (/65/68/71/75/78/81/84/87)
Damage of each Instance (Level 3): 3/7/11/15/18/22/26/30/33/37/41/45/48/52/56/60/63/67/71/75 (/78/82/86/90/93/97/101/105)
Damage Duration: 5 ( 7)
Number of Intervals: 20 ( 28)
Max Total Damage: 520/648/780 ( 1009/1257/1512) - Disruptor Hero Strategy Counters Equipment Gear Responses Sounds Lore Old Abilities Changelogs Disruptor 19 + 2.2 15 + 1.4 22 + 2.5 Level Base - Thunder StrikeInitial Damage: 40/60/80/100
Interval: 2
Damage per Instance: 40/60/80/100
Damage Duration: 6
Number of Intervals: 3
Max Total Damage: 160/240/320/400 - Initial Damage: 20/35/50
Interval: 1
Damage per Instance: 20/35/50
Damage Duration: 14 ( at least 15)
Number of Intervals: 14 ( at least 15)
Max Total Damage: 300/525/750 ( at least 320/560/800)
Affected units under 25% health can be denied “ Play Denied! Click to listen— Juggernaut ” Denying is the act of preventing enemy heroes from getting the last hit on a friendly unit by last hitting the unit oneself. Enemies earn reduced experience if the . - Doom Hero Strategy Counters Equipment Gear Responses Sounds Lore Old Abilities Changelogs Doom 26 + 3.5 11 + 0.9 13 + 2.1 Level Base - Infernal BladeInitial Damage: 0
Interval: 1
Damage per Instance: 25/30/35/40 + 1.25%/2.5%/3.75%/5% ( 3.25%/4.5%/5.75%/7%) of max HP
Damage Duration: 4
Number of Intervals: 4
Max Total Damage: 100/120/140/160 + 5%/10%/15%/20% ( 13%/18%/23%/28%) of max HP - Doom Hero Strategy Counters Equipment Gear Responses Sounds Lore Old Abilities Changelogs Doom 26 + 3.5 11 + 0.9 13 + 2.1 Level Base - Scorched EarthInitial Damage: 0
Interval: 1
Damage per Instance: 10/20/30/40
Damage Duration: 10/12/14/16
Number of Intervals: 10/12/14/16
Max Total Damage: 100/240/420/640 - Dragon Knight Hero Strategy Counters Equipment Gear Responses Sounds Lore Old Abilities Changelogs Dragon Knight 19 + 3.1 19 + 2.2 15 + 1.7 Level - Elder Dragon FormInitial Damage: 0
Interval: 1
Damage per Instance: 20
Damage Duration: 5
Number of Intervals: 5
Max Total Damage: 100
Available for Level 1, Level 2 & Level 3 Elder Dragon Form. - Initial Damage: 0
Interval: 0.5
Damage per Instance: 25/37.5/50
Damage Duration: 6
Number of Intervals: 12
Max Total Damage: 300/450/600
Duration refreshed if any Stone Remnants nearby. - Initial Damage: 0
Interval: 0.2
Damage per Instance: 6/8/10/12
Damage Duration: 8/12/16/20
Number of Intervals: 40/60/80/100
Max Total Damage: 240/480/800/1200
Not in the form of a debuff. - Ember Spirit Hero Strategy Counters Equipment Gear Responses Sounds Lore Old Abilities Changelogs Known Bugs Ember Spirit 19 + 2.1 22 + 1.8 20 - Searing ChainsInitial Damage: 0
Interval: 1
Damage per Instance: 80/60/120/100
Damage Duration: 1/2/2/3
Number of Intervals: 1/2/2/3
Max Total Damage: 80/120/240/300 - Initial Damage: 0
Interval: 1
Damage per Instance: 50/100/150 ( + Midnight Pulse damage)
Damage Duration: 4
Number of Intervals: 4
Max Total Damage: 200/400/600 ( + 12%/15%/18%/21% of max HP) - Initial Damage: 30/50/70/90
Interval: 2
Damage per Instance: 30/50/70/90
Damage Duration: 4
Number of Intervals: 2
Max Total Damage: 90/150/210/270 - Enigma Hero Strategy Counters Equipment Gear Responses Sounds Lore Old Abilities Changelogs Enigma 17 + 2.4 14 + 1 20 + 3.4 Level Base - Midnight PulseInitial Damage: 0
Interval: 1
Damage per Instance: 3%/3.75%/4.5%/5.25% of max HP
Damage Duration: 11
Number of Intervals: 11
Max Total Damage: 33%/41.25%/49.5%/57.75% of max HP - Initial Damage: 0
Interval: 1
Damage per Instance: 15/30/45
Damage Duration: 15/17/19
Number of Intervals: 15/17/19
Max Total Damage: 225/510/855 - Gyrocopter Hero Strategy Counters Equipment Gear Responses Sounds Lore Old Abilities Changelogs Known Bugs Gyrocopter 18 + 2.1 24 + 2.8 19 + - Rocket BarrageInitial Damage: 0
Interval: 0.1
Damage per Instance: 7/12/17/22
Damage Duration: 3
Number of Intervals: 30
Max Total Damage: 210/360/510/660
Not in the form of a debuff. - Huskar Hero Strategy Counters Equipment Gear Responses Sounds Lore Old Abilities Changelogs Huskar 21 + 2.7 15 + 1.4 18 + 1.5 Level Base - Burning SpearInitial Damage: 0
Interval: 1
Damage per Instance: 5/10/15/20 per stack
Damage Duration: 8
Number of Intervals: 8
Max Total Damage: 40/80/120/160 per stack - Initial Damage: 0
Interval: 1
Damage per Instance: 6/12/18/24/30/36/42 ( /48)
Damage Duration: 3/4.5/6/7.5/9/10.5/12 ( /13.5)
Number of Intervals: 3/4/6/7/9/10/12 ( /13)
Max Total Damage: 18/48/108/168/270/360/504 ( /624) - Initial Damage: 0
Interval: 0.5
Damage per Instance: 5.75/7.5/9.25/11/12.75/13/16.25 ( /36)
Damage Duration: 3
Number of Intervals: 4/5/6/7/8/9/10 ( /11)
Max Total Damage: 138/225/333/462/612/783/975 ( /1188)
The debuffs from each interval fully stack and do not refresh each other. Main damage was not counted. - Initial Damage: 0
Interval: 0.5
Damage per Instance: 10/20/30/40
Damage Duration: 5
Number of Intervals: 10
Max Total Damage: 100/200/300/400 - Initial Damage: 0
Interval: 0.5
Damage per Instance: 6/8/10/12
Damage Duration: 5
Number of Intervals: 10
Max Total Damage: 60/80/100/120
