slay the dragon

Translations
убить дракона
The knight set out on a quest to slay the dragon.
Рыцарь отправился на задание убить дракона.
Definitions
To 'slay the dragon' is a metaphorical expression that means to overcome a significant challenge or obstacle, often one that is daunting or fearsome. It can also refer to achieving a great victory or accomplishment in the face of adversity.