I was just looking at my level 21 tempest last night and I noticed that the tooltips for my critical multipliers were off. This is not unusual for this game (unfortunately) but what I came to understand was that if you hovered the weapons it would show the correct critical multiplier, while if you opened your inventory it would show the correct threat range.
What I think I should have:
Rapier 18-20 x2
Improved Critical 15-20 x2
4th tempest core 15-20 x3
4th Deepwood core 14-20 x3
What the inventory panel says:
14-20 x2
What hovering over my weapon says:
17-20 x2
What my testing says:
Critical threat range is 14+ when dual wielding, hard to tell what the multiplier is BUT... if I take away 1 weapon and keep swinging the damage I do on critical hits does not go down significantly; the amount it goes down can easily be accounted for by losing the damage from whirling blades.
Is this a known bug and are there workarounds? Or am I doing something wrong that's causing the critical multiplier to not work?