But once mastered, it was a weapon that bore no equal.

But once mastered, the learner will always be able to get somewhere on his or her own steam.

The magic she used to control her puppet, once mastered, was simple and required little energy.

This at first sight may look difficult, but once mastered repays you with almost constant zero levels.

Once mastered, however, it can be completed in minutes and ensure that you are reading at your optimum level.

Once mastered, the personal computer turns out to be a very good invention.

Initially, it is more important, since being a stronger fighter makes the beginning of the game easier, and some classes become powerful once mastered.

After that is once mastered, you will find all the rest quite easy.

Once mastered, structured talk makes for more thought.

They all said that pain, once mastered, could lead to religious ecstasy.