Chainsaw

While one could think, it is for cutting trees only, it turns out to be rather powerful weapon.

Charging it will not affect the speed of cutting wood, but if The Chainsaw is charged, it will act like silk touch enchanted tools on breaking grass or leaves with it. As with Electric Tools, the Chainsaw will not break.

On using The Chainsaw as a weapon, it is recommended to charge it (it's for your own safety) as The Chainsaw will only deal 1 heart of damage if uncharged. But if it is charged, it will deal 5 hearts of extra damage (seemingless of the chainsaws current cooldown) which is equivalent to a diamond sword enchanted with sharpness 5.

The Chainsaw can be enchanted with the Electric Enchanter to get even more powerful.