The New Iron Arrow

But the multiplier is .9, which is an increase from .82.

You can say the decrease was reduced. You can't say the multiplier was reduced.

Ex. an item on sale that used to be 30% off is now 20% off
You can say the discount was reduced. But you can't say the price was reduced.

It's because people don't read it as it is. Read it as: .90

Also, what were all the bowman nerfs?

Because I've got a level 21 Bowman, and like, I've always wanted a Hunter. But if the damage is lower, I'll probably edge towards xBowman.