Originally Posted by
Rynjin
More levels in Ninja also makes things easier. Remember that at level 10 with Ninja they get the ability to halve the DC of Acrobatics checks to jump by spending a Ki point. This makes the check twice as easy, and far outweighs any static +1s or 2s you get from other classes. It's kinda hard to beat a +600,000,000 bonus to Jump.