Stone-Faced Liar (Bluff)
Source
Near Space pg. 128
You deliver lies in a monotone as naturally as any other routine communication. When you attempt a Bluff check to lie, you can forgo your expertise die to make the DC of your Bluff check equal to 10 + the target’s total Sense Motive bonus, even if the target is suspicious of you. At 9th level, you can instead spend 1 Resolve Point to use the above DC, add your expertise die instead of forgoing it, and ignore the modifier the DC would have if the target is unfriendly to you.
Embri and non-embri characters can select these options if they have the fleshbound mask or masked emotions trait.
Dragonscript
ID
d110f5765eaa8eb526ed531d