Grenade and "Shotgunning"

I can't seem to find any information regarding the overlap mechanic of grenades.

The grenade skill gems has the tag "Projectile" which clearly states that for multiple projectiles fired from the same source only one projectile can hit the target.

This clearly indicates that two grenades should not "shotgun" if the player have +1 to projectiles.

Can someone clarify this or point me to the tooltip in the game stating this?
Am i missing something?

If only there was an ingame target dummy, none of these cryptic mechanic questions would be an issue.

projectiles can't shotgun, but grande explosion is a secondary aoe effect created from a projectile- and that shotguns

Thanks for the info! Do you have source? Is it stated in the game tooltip somewhere?

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Obskur#2798 wrote:

Thanks for the info! Do you have source? Is it stated in the game tooltip somewhere?

unfortunately i don't, few of us discuss this in previous thread and few arrived at the conclusion it does shotgun from experience- but a dev confirmation or correction would be very welcome, especially since things like this can change on a dime (bug fix)