You will get a Movement Speed penalty and be Slowed for any of the following actions: Backpedaling, Strafing (walking side-to-side), or Basic Attacking.
Ranged and melee Heroes have different rulesets when it comes to their basic attack.
- Basic Penalty - 25% Slow.
- Duration is 80% of attack cooldown.
- Maximum Duration is 1 second.
- Mininmum Duration is 0.7 seconds.
- Basic Penalty on Hit - 20% Slow.
- Basic Penalty on Miss - 5% Slow.
- Duration on Hit is 67% of attack cooldown.
- Duration on Miss is 25% of attack cooldown.
- Maximum Duration on Hit is 1 second.
- Minimum Duration on Hit is 0.6 seconds.
- Maximum Duration on Miss is 1 second.
- Minimum Duration on Miss is 0.22 seconds.
Strafing and backpedaling both apply a Slow of 15% to your Hero’s MoveSpeed.