The Tide Suddenly Turns!! Piccolo, the Warrior Who Came Late

Vegeta witnesses Gohan's attack, but is unable to do anything due to the vast difference in strength. Just as Frieza is about to finish off Gohan, Krillin's Kienzan cuts Frieza's tail. Frieza is puzzled, and Krillin provokes him, running away. Dende takes advantage of the opportunity to rush over to Gohan. What power does Dende possess?