Complete the game 100%.
The best Toa for defeating Gurrahk (level 1) are Matoro for beating Guhhrahk
Hajli and Jaller for killing summoned enemies.
After you defeat all Piraka, you will have to fight Vezon for the last time.
First hit him the back, then in the legs, then the heads, then Vezon. After that
you can play as Vezon in all levels.
Easy Lego pieces
Completely upgrade Toa Nuparu at the Matoran Enclave shop. Collect 500,000 Lego
pieces and buy "Bonus Level 1". Go to the Piraka Playground. Go to the other
side of the playground. Once there you should find a cave/pathway between the
Piraka VIP lounge and the Piraka diving board. Go inside the cave and there are
three portals. Go through the first portal on your left. Once you are in, switch
to Toa Nuparu and start destroying multiple enemies while collecting Lego
pieces. Do this quickly, as you have a 112 second time limit. You can get an
average of 50,000 to 70,000 pieces every time you try the bonus level.
Collect all the Lego bits in the Matoron Enclave then go to the Priaka
Playground. Go back out. Keep doing this for a lot of Lego bits.
In the level where you fight Roodaka, go to her and hold A. After you get hero
mode, use tape your controller to keep A held so your character keeps attacking.
Use Hahli, Vezok, or even Vezon so that they keep shooting streams to easily
defeat the summoned Visorak. Because of the auto-aim when there is a villain
your character locks on automatically, kills them, then switches. Because your
character in Hero mode is invincible and it is unlimited, you can gain easy