It allows you to increase your self-confidence and build new skills so you can feel more comfortable in the water. It is a great way to continue to dive and learn under the supervision of an instructor. It's based on what you've learned before and develops new possibilities. Includes 5 dives having the character of specialization. 2 are obligatory: deep and navigational, others to choose from, eg excellent zero, wreck, night, photographic buoyancy, dry suits, multi-level.