Festival Dance is a special Friend Ability which allows Festival Kirby to dance with his Friends as backup. Activating this ability with friends nearby involves them in the dance. This allows the attack to deal significantly more damage than Festival Kirby on his own, with the power scaling upward with each additional friend involved.
Festival Dance appears to be present in Kirby's Return to Dream Land Deluxe as well, though without the formal designation.
On its own, Festival deals 180 damage (for reference, a regular Star Bullet deals 52 damage). With Festival Dance active, this base damage is increased by 10, and then an additional 10 damage is done for every friend in the group, for up to 30 more points total. As such, a fully powered Festival Dance with three friends deals 220 damage.
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