match id: 76150829 around 1:20-1:30 I was stunned by venator shotgun during my slam fire, which allowed me to use it twice because the cooldown was reset.
I think these items should either just work, and be nerfed if they're too problematic balance wise, or have a modifier for melee spells like '60% effective on melee spells' so they can be easily adjusted. Them not working at all is imo not a good design choice even if it is intended.