Lash 1st spell sometimes does nothing

[tia]

First spell and a melee attack does nothing to creeps

 

[R3N]

Can confirm this can also happen to heroes or lane creeps that are on staircases or areas that are not flat

 

[Yoshi]

First spell and a melee attack does nothing to creeps

There was a bug related to Kelvin dying while his Dome is active, causing only the visual effect to disappear. This is fixed in the update that just went out.