Rusty axe

The equips the the  slot and is used when chopping down trees for logs or when splitting wood at the chopping spot. The can be found in the graveyard trunk at the start of the game or can be purchased from the Blacksmith.

Efficiency represents how much progress toward an operation each swing of the axe provides. The provides the base 70% efficiency.

Energy usage represents how much energy each operation consumes. The requires 2 per swing.

Studying Rusty axe at the Study table will give you.