Piccolo sensed Frieza's ki shifting and decided to track him down for the sake of Earth's safety.
"Frieza still has the Dragon Balls. Could he have already decided to make a wish for immortality right now?"
While Piccolo was tracking Frieza, Son Gohan, Son Goten, and Trunks were joining forces to fight Broly in his Great Ape Man form.
Chapter 177