If this test is successful, we may move this functionality to a very small number of other existing Ranged Attacks. Let us know what you think!
Scattershot was already in Horizon Walker universal tree since 2011, so any class could use it with bow.
The difference is that it targeted 3 random enemies in close range (and allowed for normal doubleshot) while new testing version creates aoe around chosen target with +1 critical threat and multiplier (not sure about allowing doubleshot).
Melee have strikethrough on each hit and cleave/whirlwind attacks.
Casters must pay sp cost (more noticeable when on first life, solo, or when you just have smaller limited pool to share with other spells like buffs/heals to use with all in the party).
Warlock has aoe shape with decreased damage.
Pure ranged without aoe spells are in trouble when surrounded by larger group, so would be nice if they have limited situational option for such scenario (especially when they play solo).
Ranged aoe just need to be balanced right to be fair with melee and casters.
Smaller aoe or cone (maybe two options like longer and wider, so everyone can fit it in their playstyle or match to situation if can have both).
Fair cooldown.
Limited charges with slow regeneration.
Shared cooldown with other ranged aoe.
Shared charges with other ranged aoe.
T4 (or T5 in some cases) on each tree that supports ranged option.
50% chance to miss per shot (or more favorable -1 shot per target) with Repeaters (average 1.5 shot per target, 2 if Expanded Clip feat) and Dual Crossbow to be more fair with other ranged weapons - it is better to have limited option on crossbows than nothing.
Possibly doubleshot can be allowed, so it is still powerful that can go above 200% with all damage effects (if doubleshot is above 100).
3 charges, 2 second cooldown and 12 second to regenerate 1 charge sound like enough to destroy each group (delay between encounters to charge up), so I believe 15 second regeneration would be more fair (Dragonborn can use Dragon Breath once per 25 second and can not combine it with doubleshot and extra effects).
Improved Precise Shot should not have -20%, because in practice it is not as effective like it sounds in theory (just like ranged players mentioned, it is currently hard to hit more enemies in line unless you sacrifice your dps time for kiting or waiting for proper moment with lucky no lag, otherwise you lose whole 20% damage on single targets - losing above first hit would be more fair if there must be any decrease).
Greate Crossbow could have trip on critical (instead of vorpal) to compete better with Repeaters.