Here is the full list of all 23 Tell a Demon achievements.
Don't you know better than to bargain with demons?
Bargaining is something a demon does, Julius.
You tricked a demon and escaped without dire cost.
You were very brave back there.
Sometimes, not much needs to be said.
Nobody gets a happy ending.
You unlocked all of the Intrigue endings.
Time has not worn away your compassion.
It's the only way, isn't it?
Kalevel does not suffer fools.
Sometimes even fear has a use.
Death is not the end?
Ouch.
A bargain with the demon goddess.
Now who's going to steer the plot?
Two bodies instead of one in the catacombs.
It's not your fault you're a shadow demon. Why not embrace it?
You unlocked the epilogue.
Or you tried. Kind of hard given your condition.
Curiosity doesn't have to kill the cat...
Even oblivion is preferable to a bargain with Sakraia.
If you remember nothing else, remember honor.