Missable!Jake has 4 different combat forms that can be used during different combat sections of the game. Once the combat meter at the bottom of the screen is full, you can activate a combat form by using
![cn_up](/images/controllerbuttons/Xbox%20360/cn_up.png)
,
![cn_down](/images/controllerbuttons/Xbox%20360/cn_down.png)
,
![cn_left](/images/controllerbuttons/Xbox%20360/cn_left.png)
,
![cn_right](/images/controllerbuttons/Xbox%20360/cn_right.png)
.
You do not have to use all 4 combat forms in one combat section. Combat sections can be replayed after completing them to earn additional loot and giving you the option to use Jake's other combat forms.