Units will gain experience as they are used in battle.

The ones we use in battle will have longer fuses.

Metal was not used in battle because of the limited supply.

You're hating yourself for not being able to use your power in battle.

When one kind is found, the bacteria can be raised and then used in battle.

A maximum of six characters may be used in battle.

Although outwardly similar, the way they were used in battle was quite different.

They had never seen them used in open battle on the plains.

Testing a weapon and using it in battle are two different things.

That doesn't mean they're the best at using them in actual battle.