Answer:
Slayer of regrets, old and new, sought by many, found by few.
You heard me before, yet you hear me again, then I die. Until you call me again.
Don't do this in the shallow end.
Alive without breath, As cold as death, Clad in mail never clinking, Never thirsty, ever drinking
What five-letter word becomes shorter when you add two more letters?
Long and slinky like a trout, never sings till it's guts come out.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?