The Myth of boy who slay dragon from Burman

In Burman old myth A dragon live in a Village,The dragon is evil ,Each year will force the village sent a girl to the dragon,So Villager decide sent a warrior to kill the dragon,But never no one back , This year,A boy had been choosed ,His farther decide follow the boy very far away ,The father watch his son kill the dragon and then his son become a dragon ,So they know the real thing.

There ia an old Burmese myth of a dragon that terrorised a village . The dragon was evil and would force the villagers to send a girl to it each year.

So, the villagers decided to send a warrior to kill the dragon many times , but none of them came back.

This year, a boy was choosen for the task , and his father decided to follow him to the faraway land .

The father later watched his son slayed the dragon, but following that , to his horror , saw his son being tranformed into a dragon .

,So they know the real thing.???? Dont understand !

Note : How can a dragon be living in a village , but the father and son had to travelled so far to his den ? So. I changed the first sentence.