Knight is a frugal man. Save coins and defeat all monsters. Knight can use 4 weapons.

Sword: Attack 1 square with 50 coins.
Spear: Attack vertical 2 squares with 70 coins.
Great Sword: Attack horizontal 3 squares with 80 coins.
Bow: Attack 1 square ahead with 60 coins.
And damaged enemies will knock back.

Use different weapons to save coins!