The officials said that he was hit with a sharp weapon (later reported to be an axe).
They had all been killed at the same time with a large, very sharp weapon such as a sword.
They looked at the sharp weapon in his hand.
He had 4 eyes and 6 arms, wielding terrible sharp weapons in every hand.
They've all been punched through the chest with a sharp weapon, but that's the only common element.
The wound had the appearance of having been made by a hard blow with some sharp and heavy weapon.
Go about your business best you can, but keep your weapons sharp and ready.
The outer hide looked pretty tough; he'd need a sharp weapon of some sort.
A thousand small but very sharp weapons waved in the smoky air.
And the sharpest weapon of choice is often a more effective warning.