You have 3 competencies to level up:
Power: This competency defines the strength of your power, and for transformation techniques, the duration you can stay in that form.
Cooldown: The higher the level of this competency, the less cooldown you have.
Techniques: Each power has 4 techniques. You can activate it by pressing a key:
First technique: unlocked at level 0
Second technique: unlocked at level 1
Third technique: unlocked at level 3
Ultimate technique: unlocked at level 6"