Answer:
One day a little boy named John went over to his parents and said that he wanted to shoot people and blow them up. His parents were really proud of his career choice. What does John want to do?
A warrior amongst the flowers, he bears a thrusting sword. He uses it whenever he must, to defend his golden hoard.
Inside a burning house, this thing is best to make. And best to make it quickly, before the fire's too much to take.
My first is twice in apple but not once in tart. My second is in liver but not in heart. My third is in giant and also in ghost. Whole Iβm best when I am roast.
A tiny bead, like fragile glass, strung along a cord of grass.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?