Experience

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“

Play I grow stronger! — Storm Spirit

”

Experience is an element heroes can gather by killing enemy units, or being present as enemy units get killed. On its own, experience does nothing, but when accumulated, it increases the hero's level, so that they grow more powerful. Only heroes can gather experience and therefore reach higher levels. With each level gained, a hero's base attributes increase by static values (unique for each hero), which makes them stronger in several. Heroes may also learn new abilities upon leveling up, or improve already learned spells onto higher levels, making them more powerful. Talents may also be learned on certain levels, which further improve the hero's stats or abilities.

Leveling

Each hero begins at level 1, with one free ability point to spend. Heroes may level up by acquiring certain amounts of experience. Upon leveling up, the hero's attributes increase by fixed amounts (unique for each hero), which makes them overall more powerful. Heroes may also gain more ability points by leveling up, allowing them to learn new spells, or to improve an already learned spell, making it more powerful. On certain levels, ability points may also be spent for talents, which further improve their stats or abilities. Ability points do not need to be spent immediately, a hero can level up multiple times while saving the ability points.

The amount of experience required to level up increases for each level. There is no specific formula for this requirement, but rather just set values for each individual level. Heroes can gain a total for 24 levels, resulting in level 25 as the highest possible level a hero can reach.

Hero level	Total XP to reach	XP needed for next level
1	0	230
2	230	370
3	600	480
4	1080	600
5	1680	620
6	2300	720
7	3020	750
8	3770	780
9	4550	810
10	5360	840
11	6200	870
12	7070	900
13	7970	1225
14	9195	1250
15	10445	1275
16	11720	1300
17	13020	1325
18	14345	1400
19	15745	1490
20	17235	1500
21	18735	1750
22	20485	2000
23	22485	2250
24	24735	2500
25	27235	-

Acquiring experience

Whenever an enemy unit dies to an allied unit, it grants experience to allied heroes within a 1500 radius around it. This experience is shared between all allied heroes within the area, splitting it evenly amongst them. This means the more heroes there are, the less every individual hero gets, and if no hero is nearby, the experience is lost. Heroes which already are on level 25 still take their share of experience within range, effectively wasting the experience.

Dying units do not grant any experience if they have Reincarnation.

To gain experience, the hero must be alive. Other status effects, like spell immunity, invulnerability, and banishment do not prevent a hero from gaining experience.

With the exception of Meepo's clones, hero clones and illusions do not gain any experience, and are not considered by the experience sharing. Meepo's clones take 40% of experience, instead of 100%. This means when a Meepo clone is alone, 60% of the experience gets lost. When one ally is nearby, the clone gets 20% of the experience, while the ally gets 80%, with 2 allies, the clone gets 13.33%, the allies get 86.67% each.

Experience multipliers

Some heroes have talents that multiply all the experience they gain by a value.

Bonus	Level 10		Level 15		Level 20		Level 25
	Left	Right	Left	Right	Left	Right	Left	Right
Experience gain	+20% +25% +25% +25% +25% +25% +25% +30% +35%	+20% +25% +30% +30% +30% +35% +40%	+40%	+35% +40% +40% +40% +60%

Hero kills

Hero kills give experience in an area as well, splitting it up amongst all present heroes. However, unlike non-hero kills, hero kills always grant experience to the hero of the player who killed them, regardless of distance. This means when a player kills an enemy hero while outside the experience range (with a global spell, or with units under their control), but has an ally within the experience range of the killed enemy hero (regardless of any actual contribution to the kill), the experience is split between the killing player's hero, and the hero of the allied player who was within range of the kill.

Experience granted by heroes is determined by the following formula:

(40 + 0.14 * DyingHeroXP ) / # of killers

This means for every 7.14 experience the dying hero has, their experience bounty increases by 1, starting with a base experience of 40.

This results in the following experience bounty ranges for each level

Killed hero's level	Possible current XP of killed hero	Possible XP bounty of killed hero
1	0 - 229	40 - 72.06
2	230 - 599	72.2 - 123.86
3	600 - 1079	124 - 191.06
4	1080 - 1679	191.2 - 275.06
5	1680 - 2299	275.2 - 361.86
6	2300 - 3019	362 - 462.66
7	3020 - 3769	462.8 - 567.66
8	3770 - 4549	567.8 - 676.86
9	4550 - 5359	677 - 790.26
10	5360 - 6199	790.4 - 907.86
11	6200 - 7069	908 - 1029.66
12	7070 - 7969	1029.8 - 1155.66
13	7970 - 9194	1155.8 - 1327.16
14	9195 - 10444	1327.3 - 1502.16
15	10445 - 11719	1502.3 - 1680.66
16	11720 - 13019	1680.8 - 1862.66
17	13020 - 14344	1862.8 - 2048.16
18	14345 - 15744	2048.3 - 2244.16
19	15745 - 17234	2244.3 - 2452.76
20	17235 - 18734	2452.9 - 2662.76
21	18735 - 20484	2662.9 - 2907.76
22	20485 - 22484	2907.9 - 3187.76
23	22485 - 24734	3187.9 - 3502.76
24	24735 - 27234	3502.9 - 3852.76
25	27235	3852.9

Additionally, if the killed hero had a killing streak going on, bonus experience is awarded for killing them, on top of the default experience values.

The following bonuses are granted for ending a streak

Streak length	Streak name		Streak value
0, 1, 2	N/A	N/A	0 XP
3	Play	Player is on a killing spree	200 XP
4	Play	Player is dominating	350 XP
5	Play	Player is on a mega Kill streak	500 XP
6	Play	Player is unstoppable!	650 XP
7	Play	Player is wicked sick	800 XP
8	Play	Player is on a monster kill streak	950 XP
9	Play	Player is GODLIKE	1100 XP
10+	Play	Player is beyond GODLIKE, someone kill them!!	1250 XP
Announcer responses are customizable

Other kills

Most creeps have a fixed experience value they grant. This includes lane creeps and most summoned units. Buildings do not grant any experience.

Neutral creeps have each a unique base value, which increases by 2% every 7 minutes and 30 seconds of game time. The increase is always based on the base value, and not their current values, meaning their bounties do not grow exponentially. Roshan's experience bounty increases by 20 every 1 minute. Neutral creeps always grant experience to both teams, no matter who kills them, splitting it evenly amongst all present heroes.

Denying

Main Article: Denying

When a hero gets denied (be it by allies or by the hero itself), no experience is awarded to enemies around it. This also applies to heroes killed by neutral creeps.

When other player-controlled units get denied, no experience is awarded to the enemy either. However, unlike heroes, summons dying to neutral creeps do grant their default experience bounty.

When a lane creep gets denied, the enemy gets 35% of its experience bounty, instead of 100%.

Abilities

Some abilities award a hero with experience when used.

• Hand of Midas - Transmute
  
  Experience Multiplier: 185%
  Multiplies the target's experience value.
• Tome of Knowledge - Enlighten
  
  Base Experience Gain:
  Bonus Experience Gained per Previous Tome:
  Every tome consumed by an ally increases the experience bonus.

Lane creeps

Main Article: Lane creeps

Neutral creeps

Main Article: Neutral creeps

Roshan

Roshan

750 + 20 per minute

Summons

Main Article: Summons

Special

Source	Unit	Experience
Arc Warden	Tempest Double	180/240/300

Mechanics Stats Armor Attributes (Strength / Agility / Intelligence) Collision size Health (Health regeneration) Magic resistance Mana (Mana regeneration) Movement speed Status resistance Turn rate Vision Attack Attack animation Attack damage Attack modifier (Bash / Cleave & Splash / Critical strike / Lifesteal / Mana break) Attack range Attack speed Cast animation Cast range Damage types Motion buffer range Projectile speed Spell damage Spell lifesteal Abilities Abilities Aura Channeling Damage block Damage manipulation Damage over time Evasion Talents Teleport Status effects Attack immunity Break Cyclone Disable Disarm Ethereal Fear Forced movement Hex Hide Hypnosis Invisibility Invulnerability Leash Root Silence Sleep Slow Spell immunity Stun Taunt World Experience Gold Glyph of Fortification Map (Minimap) River Scan Runes Time of day Trees Gameplay Creep control techniques Denying Disjoint Dispel Ganking Harassment Hero complexity Initiating Item passive stacking Item sharing Jungling Lane Pushing Random distribution Roles Trap Units Ancient creeps Buildings Couriers Creep-heroes Heroes Illusions Lane creeps Neutral creeps Roshan Summons & Wards