Get the in-game guide
Q
Void
Creates a damaging void that slows an enemy unit and deals damage. At night, Void also mini-stuns, interrupting channeling abilities, and the slowing effect lasts longer.
AFFECTS:unit
PASSIVE:No
DISPELLABLE:basic
DEBUFF:yes
damage:80 / 160 / 240 / 320
duration day:1.25
duration night:2.5 / 3 / 3.5 / 4
movespeed slow:-50
attackspeed slow:-50
Aghanim`s Scepter Upgrade
Void becomes an area of effect ability. Increases the mini-stun duration and leaves behind a void zone. While in the zone, all of Night Stalker's abilities are empowered with their night time effect.
+50 Void Damage
11 / 10 / 9 / 8
90 / 95 / 100 / 105