Chem Is Try by 1001831

It all began when he was just a child. His father was the leader of the local militia, and from the earliest of years he was shown to handle weapons fit for grown men. Naturally, when he was of age he was the most skilled fighter to ever come out of the village he called home. He could defeat any man, and thus he thrived for a real adventure; an adventure of true danger and tribulation. His destiny: to kill the most fearsome creature of the kingdom, the one being that plagued the land to no end. It had killed livestock and struck fear into the hearts of even the bravest of warriors. He was to slay...

the Dragon.

[Warning: Requires knowledge of material covered in a chemistry class]
Music at the beginning is public domain by Kevin MacLeod.