Have Krillin sacrifice himself so that Goku can power up the KameHameha.

From Create Your Own Story

As Krillin gets Bitch-slapped into a mountain, Goku destroys the second thug. Now only the Tallest thug stands in your way.

• Have Tien, and Piccolo Sacrifice themselves in order for you to charge up your energy beam

• You, use a sneak attack to weaken the thug