lost karma
Critical Auto Attack on multiple enemies does not work as expected.
One target takes full damage + bleed passive (if had). Rest of targets only take bonus damage just from critical damage bonuses not including base critical damage.
Pictures attached to show example. Shell has 81 AD here and the 24% and 30% Critical Damage Bonus passives.
This is probably also correlated to the other post about not doing Dark damage to every target in the attack as well.
muted valve
81 + 54% from crit bonuses becomes 124.74 doubled for crit it becomes 249.48
So while the "secondary" hits don't do crit damage, they count as crits and get benefits from crit damage modifiers
kind knot
the secondary hits do crit and is dealing the intended damage.
as mentioned in the in-game Guidebook, Melee Basic Attacks deal 100% damage to the main target and 50% to all other targets. that's what is happening here.
Damage to main target:
81 * 2 * (1 + 0.24 + 0.30) = 249.48
Damage to non-main targets:
81 * 2 * (1 + 0.24 + 0.30) / 2 = 124.74
lost karma
Well I guess that solves that, guess it applies to the Dark application as well (though that may be an actual bug for real). Guess it is expected, though sadly unfortunate it works like that.