Herald of Thunder - inspired learning bug

Hello ,

I just want to report that i have an *Autobomber* assasin and using 2 inspired learning (with 4 nodes allocated) , when i use my main skill Storm brand everything works perfect but when i dont and w8 for the herald of thunder to kill 1 - 2 or more mobs to proc the explosion from my inpulsa i dont get any buffs from monsters .


Thank you for your time :)
(Great League btw)