Riddles for D&D Sessions and Fantasy Campaigns

I have a tail and scales but swim through flame. What am I?

I guard ancient books with glass eyes. What am I?

Speak my name and I vanish. What am I?

I mark the chosen hero with light at night. What am I?

I open for truths and lock for lies. What am I?

I roll across tavern tables and decide fate. What am I?

I never cuts yet decides who rules. What am I?

I reveal runes only under moonlight. What am I?

I am a bridge of song that falls when the chorus ends. What am I?

I press red and blue to balance fire and water. What am I?

I keep dragons asleep with smoky lullabies. What am I?

By day I am stone, by night I sketch stars. What am I?

I record every oath in the hall. What am I?

Feed me gold for rest, lies for danger. What am I?

Speak kindness and I disappear. What am I?

I am the map drawn by a nervous ranger. What am I?

I am the chest that checks for careful hands. What am I?

I am the potion glowing blue in a dusty vial. What am I?

I am the whisper from a talking statue. What am I?

I am the locked door with three carved moons. What am I?

I am the villain clue hidden in a tavern song. What am I?

I am the roll that decides if the rogue succeeds. What am I?

I am the treasure guarded by riddles and traps. What am I?

I am the voice behind monsters and kings. Who am I?

I am the campfire tale that starts a side quest. What am I?

I am the runed key that fits no normal lock. What am I?

I am the hallway that changes when nobody watches. What am I?

I am the scroll that speaks once then burns. What am I?

I am the party choice that changes the story. What am I?

I turn a dungeon door into a thinking test. What am I?