Debug mode
Hold L2 and press: left, up, up, triangle, right, square, left, tirangle, x, up, circle, left

Invincibility
Hold L2 and press right, right, left, triangle, x, up circle, left

Infinite spirit spells ( note: must have spells for code to work)
Hold L2 and press left, triangle, left, left, circle, left, triangle, right, circle, up, up, down

From
Fsam1619