Giant: As a Namekian, visit Guru's house at Level 35. Speak to Piccolo, then Nail, then Dende, then Piccolo again to begin a fight that will unlock the Giant form. This form drains stamina, but makes you giant and gives unique moves. It is very powerful, but the damage inflicted to you will reflect in your stamina as opposed to your health; once stamina is depleted, the form drops and you will be left in stamina break status.