Answer:
A single syllable do I claim black was my most famous name; Fetal to mortals here below thousands have I slain in a single blow.
small land in water.
A dagger thrust at my own heart dictates the way I'm swayed. Left I stand and right I yield to the twisting of the blade. What am I?
Everyone has me, but nobody can lose me. What am I?
My first is second in line; I send shivers up your spine; not quite shining bright I glitter in the light.
A word of five letters, Upside down is the same, A shark does this, But it’s not to blame. What is the word?