Echo Bug or I maybe dont get it?

[Dave-Wide]

Not sure if this is a bug or not, but it makes no sense. Unique echo Butchers Endurance → MAX Health increases by 0 up to 30 times permanently on kill ? If it is not a bug, can someone explain it to me? 30x0 = 0 …

[Zenith]

It’s supposed to be 1% but they probably forgot to update the value.