Mushroom Valley. Maybe useful for others struggling with this one.

Great zapfish was a b****, but I switch to Sheik and got a nasty combo into a dash kill. Or I killed it by throwing something at it. Tiny Mushrooms . Cross them and place the Zapfish in the socket ahead.

From then alternating ground pound to roll attack to grab, and finished him off with an ult. Turn left and cross both red and yellow platforms.

Grab the Zapfish after getting the treasure and head back along the path to the left, and down the yellow girder to a new pedestal where your Zapfish will create a platform to another Spirit. Super Smash Bros.

Great Zapfish with the Giant Pikachu with boosted electric moves and perma-zap floor single platform was pretty nasty too.

The one with Paulines spirit.

Tiny Sapling.

Either way I was psyched. You have to defeat Peach within a certain timeframe while Mario and DK keep …

Chun Li spirit equipped with great zapfish from the power plant. Ultimate ... Cross the first three red and yellow platforms by placing the energy sources (Zapfish) into the sockets. Susie is on the blue corner before the next socket. I finally beat him with DK. A speedrun I recently watched used Rayman (Jump+) as a primary, and Great Zapfish (Giant) and Victini (Hyper Smash Attacks) as supports. It depends on the character you use and your fighting style.

While in giant form dk's extra reach was enough to pummel him to 60% before the low damage kicked in.

Take the Zapfish before the yellow girder.