Scaling

Scaling is a term used to describe an increase to a unit's abilities or statistics as the match progresses, based on Team Level for Heroes and on Game Time for non-Heroes. A given unit can have different scaling percentages. The in-game tooltips do not show scaling values, therefore you need to use external sources if you want to access them.

Heroic Scaling

Hero and summon scaling is level-based. Every time a Hero gains a level most of their statistics are increased by a percentage. Basic Attack damage, Health, Health regen, ability statistics (Damage, Healing and Shield amount), and summons (health and damage) scale as a percentage increase. Hero's maximum Mana and Mana regen instead have a level-based linear scaling.

Most percentage-based scaling is a 4% increase, with variance after balance adjustments. Talents that increase an ability's damage by a flat amount, such as Kael'thas' Convection, are not subjective to scaling. Talents that grant an active ability, such as Xul's Bone Spear, or deal a separate instance of damage, such as Alarak's Show of Force, do scale.

Formula

Heroes' and Summons' Statistics at a certain level can be calculated using the following formula:

BaseValue × (1 + ScalingPercent/100)^Level

Note that "base value" indicates a "level 0" value, not a level 1 value.

Example

Kael'thas' "Flamestrike" has 345 base damage with 4% scaling and 200 bonus damage from completed "Convection" quest Talent. At level 10 the damage of single Flamestrike is:

345 × (1 + 4/100)^10 + 200 = ~710 damage

Scaling Percentages

Rounded	Exact
2%	2.00195312%
2.5%	2.49023438%
3%	3.00292969%
3.5%	3.49121094%
4%	4.00390625%
4.5%	4.49218750%
4.75%	4.76074219%
5%	5.00488281%
6%	6.00585938%

Non-Heroic Scaling

Minions', Mercenaries', Monsters' and Vehicles' statistics are increased every minute by a unit-specific flat amount, which is multiplied by a scaling factor that increases every 5 minutes. Most structures (except the Core and Bell Towers on Towers of Doom) do not scale as the game goes on. They do have a flat amount of health and do a flat amount of damage that has less of an impact as the game goes on. This means that in the early game diving towers is dangerous, but as the game goes on structures provide less protection. Unlike most other buildings, the Core's HP and Shields scale from minute 1 to minute 20, capping out at 22,000 life and 11,000 shields for a total effective HP of 33,000. After the 20 minute mark no time-based scaling happens, meaning that level becomes more important.

External links

• Damage Calculator
• Math of the Storm: Scaling Part I
• Math of the Storm: Scaling Part II