Like a heart beat in a chest Like a fist on an armored vest Like a thing that goes bump In the night... A sound that can be such a fright.

A word one might use when in need of fellow superheroes

Made from sand, I let you see, but one wrong move can shatter me.

HERE COME DOTS If you rearrange the above letters, In a particular way. You will discover a form of communication, That was popular back in the day. What am I?

In the whisper of quills, it flows like rivers of midnight, captured in the dance of feathered scribes, painting stories without uttering a single sound.