Twist-tongued  

Twist-tongued
Solve all the riddles of Moria.

• Solve all of Falgeirr Twisttongue's riddles

You will complete this deed, and gain this title, when you have completed all these quest:
Riddles in the Library
A Riddle in the Old City was titled Falgeirr Twisttongue
Riddles in the Stone
Riddles in the Locks
Riddles in the Flames was titled Riddles in the Doors
Riddles in the Walls
Riddles in the Tomb
Riddles in the Sunshine