Champion mobs: Herb drop

[scantraxx7777]

Good evening.
I'm trying to figure out why every champion monster drops a lot of herbs?

I took a look at skill 4407:

<mul order="0x30" stat="ItemDropMultiplier" val="#drop" />
<mul order="0x30" stat="AdenaDropMultiplier" val="#drop" />
<mul order="0x30" stat="SpoilDropMultiplier" val="#drop" />

 

[scantraxx7777]

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