What Am I Riddles

Question: What is something of which there are multiple, but you can't make full a list of, while you can make a list of the worst ones.

Question: What has 18 legs and catches flies?

Question: At the end of a long dark cave there is a monster made of lead. Be careful. One twitch of the finger and you will release it.

What is it?

Question: Body of Steel Spits out Fire Feared by Man No Trace of Wire

Question: I will reward you with riches if you show acts of consideration. However, if your acts are ominous, I reward retribution. What am I?